Finding your suitable readers for da20 freezer alarm is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best readers for da20 freezer alarm including detail information and customer reviews. Let’s find out which is your favorite one.
832 reviews analysed
1. ORIA Refrigerator Thermometer, Wireless Digital Freezer Thermometer with 2 Wireless Sensors, Audible Alarm, Min/Max Record, LCD Display for Home, Restaurants, Bars, Cafes (Battery not Included)
Feature
- 【2 Wireless Sensors】 Built-in the console and 2 remote sensors, the wireless fridge thermometer can display indoor temperature and 2 groups of outdoor temperature simultaneously. You can put the sensor in the refrigerator or outdoor.
- 【Audio Alarm】 The wireless refrigerator temperature with audible alarm, you can set the maximum and minimum alarm value manually. It can ring when the temperature value reaches at the point of limit max or min alarm value that you pre-set.
- 【Max/Min Record】 The indoor/outdoor thermometer range
- Indoor: -10℃~ 60℃ (14℉~ 140℉)
- Outdoor: -40℃~ 60℃ (-40℉~140℉)
- Transmission range: 100M/328ft (open area). It can record max and min temperature and display up, down & parallel arrow to indicate the trend of current temperature.
- 【Multiple Installation】 The wireless thermometer is easy to install. With integrated magnets, a hanging hole and a bracket at the back, you can put the main unit in refrigerator door, hang on the wall or stand on the table.
- 【Easy Operation】 There are 6 function keys on the main unit and signal indicator on the transmitter, you just press the corresponding key to turn on/off the alarm, switch the Celsius or Fahrenheit and clear the MAX/MIN records.
2. (Upgraded Version) Brifit Refrigerator Thermometer, Wireless Digital Freezer Thermometer with 2 Sensors, Indoor Outdoor Thermometer with Audible Alarm Temperature Gauge for Freezer Kitchen Home
Feature
- ☑【2 Wireless Sensors】 Built-in the console and 2 remote sensors, the wireless fridge thermometer can display indoor temperature and 2 groups of outdoor temperature simultaneously. You can put the sensor in the refrigerator or outdoor.
- ☑【Audio Alarm】The wireless thermometer set the alarm max & min temperature.The base will ring once the temperature is higher than the max or lower than the min set temperature.
- ☑【Easy to Read Display】The LCD screen with large digit.Records Min and Max temperature provides the historical temperatures readings. With this feature, you can easily monitor the temperature change of your refrigerator and provide double protection to your food safety.
- ☑【Wide Range】The indoor/outdoor thermometer range: Indoor -10℃~ 60℃ (14℉~ 140℉), Outdoor -40℃~ 60℃ (-40℉~140℉ ) and the transmission range is 100M/328ft(open area). You can use it in the fridge, freezer or outdoor, which provides safe food storage.
- ☑【Multiple Installtion Ways】The wireless thermometer is easy to install. The display unit can stand on the table, hang on the wall, magnet on the refrigerator. The wireless sensor can clip on door or hang on the wall.【NOTE: Enjoy 1-year buyer’s Assurance and lifetime support from our friendly support team】
Description
【Upgraded version for easily monitor the temperature change of your refrigerator and provide double protection to
your food safety】
【Suitable for fridge, freezer or outdoor】
Specifications:
Update Rate: 10 seconds
Indoor: 32 ℉ ~ 122℉
Outdoor: -40 ℉ ~ 140℉
Size of Base: 5.91″x3.38″x0.82″
Size of Sensor: 5.12″x1.57″x0.78″
Features:
-The LCD screen with large digit, easy to read, at-a-glance thermometer.
-Displays indoor/outdoor temperature, MAX/MIN records, and temperature trend indicator arrow.
-Equipped with 2 sensor transmitters, convenient to place on different shelves.
-Set the Max/Min alarm value manually, warn you by buzzer.
-Compact & delicate design, suitable for home, restaurant, cafes, etc.
Note:
-Don’t disassemble the product freely.
-While the indication is blurring, please change the battery.
-Don’t put this product in the place where it is hot, humid, dusty or full of corrosive gas, in case that its
electronic components are damaged.
-It will not alarm at once when temperature exceeds pre-set. It will compare the temperature after 10 minutes. And
when temperature reaches alarm value, the thermometer will alarm immediately.
Package Included:
1 x Main Unit
2 x Transmitters
1 x User Manual
3. 【Upgraded Version】Esnow Refrigerator Thermometer Wireless Digital Freezer Thermometer Digital Sensor with 2PCS Sensors Temperature Monitor and Audible Alarm for Indoor / Outdoor (Battery not Included)
Feature
- Package Included: The wireless refrigerator thermometer includes 1 indoor temperature built-in the console and 2 remote sensors, which can monitor 3 kinds of temperature and all displayed simultaneously. 24 hours indoor and outdoor MAX and MIN temperature records.
- Alarm Settings: When indoor or oudoor temperature exceed your pre-set minimum and maximum alarm value, the thermometer will make audio alarm and visual alarms to remind you, allowing you to be aware if adjustments are necessary for your household,wireless indoor/outdoor with audible alarm.
- Temperature Range: Outdoor -40°F to 140°F (-40°C to 60° C)( ±2°F), Indoor 32°F~122°F(0°C to 50° C) (±1°C). The wireless refrigerator thermometer have 328ft (open area) remote range with strong signal Penetration. Can be used it in the fridge, freezer or outdoor, providing double protection to your food safety.
- Easy to install and operation: Mount display unit directly to your refrigerator or freezer using integrated magnets or hang on wall using keyhole, and The wireless sensor can clip on door or hang on the wall. There are 6 function keys on the main unit and the signal indicator on the transmitter. Just press the corresponding button to turn the alarm on/off, switch Celsius or Fahrenheit, and clear the MAX / MIN record.
- Humanized design: The LCD screen With large digit and records Min and Max temperature provides the historical temperatures readings, monitor the temperature change easily. Retractable stand and hanger combination, you can easily read data and place it anywhere.
Description
Thank you for purchasing in our store! 12 months warranty service, if you have any problems with the product, please contact us whenever. We will find a best solution for you!
The LCD screen with large digit. Record minimum and maximum temperatures and provide historical temperature readings.
Upgraded version for more accurate monitoring and more accurate data.
This feature allows you to easily monitor temperature changes in your refrigerator and provide double protection for your food safety.
Suitable for home, restaurant, cafes, etc.
Power Requirements:
1 Main Unit – 2 x AAA(not included)
2 Transmitters – 4 x AA (not included)
Note:
1. Don’t put the transmitter directly in the rain.
2.While the indication is blurring, please change the battery.
3. Don’t install the reverse battery,don’t put the receiver near metal.
4. Pls kindly use high-quality batteries for main unit and transmitters,it’s more better.
5. About the alarm function, the alarm will ring only 10minutes later not immediately when the temperature reach the max/min set temperature.
Packing list:
1 x Main Unit
2 x Transmitter
1 x User Manual
4. AMIR Refrigerator Thermometer, 2 Channels Thermometer with 2 Wireless Sensors, Backlight, Audible Alarm Temperature Gauge for Freezer, Kitchen, Home (Battery not Included)
Feature
- ☀【Upgraded Version】Two-channel temperature with 2 transmitters for various environments. You can use it in the fridge, freezer or outdoor, which provides safe food storage.
- ☁【Audio Alarm】The Wireless Thermometer console includes audible and visual alarms when temperature exceed your pre-set minimum and maximum alarm settings.
- ☄【Backlight Function】- Backlight shows digit clearly and wide field of view. Press the display backlight to turn it off automatically after 10 seconds.
- ☂【Maximum and Minimum Record】 – It can record the temperature , display temperature of the main unit and 2 transmitters.
- ❄【Multiple Installtion Ways】The wireless thermometer is easy to install. The display unit can stand on the table, hang on the wall and refrigerator. The wireless sensor can clip on door or hang on the wall.
5. [New Version] KeeKit Refrigerator Thermometer, Indoor Outdoor Thermometer with 2 Wireless Sensors, Digital Freezer Thermometer with Audible Alarm, Min/Max Record, LCD Display for Home, Kitchen, Cafes
Feature
- ✔ Dual Wireless Sensors – Built-in the console and 2 remote sensors, the wireless fridge thermometer can display indoor temperature and 2 groups of fridge /freezer or outdoor temperature simultaneously, and no longer frequently switch channels to know the temperature.
- ✔ 3.6’’ Large LCD Display – This indoor outdoor thermometer with high definition LCD screen, large bold data and white backlight to ensure comfortable viewing at day or night. And it will automatically turn off after 10 seconds if without any operation. Press “℃/℉” key for switching Fahrenheit or Celsius.
- ✔ Accurate MAX/MIN Records – You can choose to record the Maximum/ Minimum temperature since last restart or automatically update for every 24 hours by Press “CLEAR/-” button. The resolution upgrade to 0.1°C/°F, which make the readings more accurately to reflect the current temperature. Meanwhile, the station and transmitter signal distance is 100M/328ft (open area).
- ✔ Audio Alarm Setting – The wireless refrigerator thermometer equipped with audible alarm, when the temperature exceeds your pre-set minimum and maximum alarm value, the thermometer will make audio alarm to remind you and your family to know the temperature variation and make some changes in time.
- ✔ 2 Mounting Options – Designed with wall hanger and retractable stand at the back, easy to mount it on wall effortlessly or just place it on the table. Ideal choice for office, hotel, greenhouses, incubation room, nutrition room, school, laboratory, baby room, hospitals etc. All KeeKit products are protected by our 60 Day Money Back Guarantee & 12 Month Warranty.
6. Automatic Power Cut Failure Alerter LED Indicator Smart 120db Outage Alarm Warning Siren, Needs 9V Battery (Not Included)
Feature
- LED indicator shows power out / failure alarm and power condition.
- Connect the alarm to the AC power supply and turn on the power switch to enter the working state. The siren alarms when the power supply is cut off until restore power. The warning could be manual muted by on/off switch.
- High voltage resistant design, works fine even when power voltage exceeds standard.
- Drawer-type cell cover design, can change the battery easily.
- Widely used in industrial and mining enterprises, institutions, substations, telecommunications rooms, farms, etc.
Description
Features:
LED indicator shows power out / failure alarm and power condition. The siren alarms when the power supply is cut off until restore power. The warning could be manual muted by on/off switch. Drawer-type cell cover design, can change the battery easily. High voltage resistant design, works fine even when power voltage exceeds standard.
Specification:
Plug: CN Plug
Voltage: AC 220V
Color: Color
Battery: 1pcs x 9V Battery (NOT included)
Alarm Volume: 120db
Cable Length: Approx. 85cm/33.5inch
Size: Approx. 10*5.3*2.5cm/3.9*2.1*1inch
Weight: Approx. 100g / 3.5oz
Package List:
1 x Power Failure Alarm
Note: Please kindly make a note if you need any plug adapter.
7. ETHMEAS Digital Refrigerator Fridge Thermometer, Freezer Room Thermometer with High and Low Alarm,Max/Min Record Function
Feature
- Large Measuring Range: This product has great large measuring range with Room:0℃~50℃(32℉~122℉)
- Fridge:-50℃~70℃(-58℉~158℉)which can provide you with strong performance and wide application range.
- Max/Min Temperature Value Memory Function: You can easily check the Max and Min temperature record by pressing “Min/Max” button. If you don’t need this record,just pressing the button for 3 seconds to clear it and reset a new record.
- Room/Fridge Temperature Switch Function: With this function,you can check both room and fridge temperatures on the screen at the same time. There is no need for you to buy another digital temperature any more!
- High/Low Temperature Alert Function: You can press “Alert” button to start high/low temperature alarm.Then our product will help you monitor the temperature and inform you if the temperature arrives at the warning line.
- ℃/℉ Switch Function: Both Celsius and Fahrenheit are available.You can press small red button on the back of the unit to switch it. Celsius or Fahrenheit, no matter which one you like better,our product can meet your requirement.
Description
ETHMEAS digital fridge thermometer is an updated fridge thermometer which can monitor both fridge temperature and room temperature at the same time.
In addition, with the help of temperature record function, you can check the Max/Min temperature value anytime you want.
What’s more, high and low temperature alarm function can help you monitor whether the temperature is in the normal range. Just feel free to do anything you want, the thermometer will warn you with beep when it exceed the value of temperature you have set.
Specifications:
1.Room Temperature Measuring Range: -0~50℃(32~122℉)
Fridge Temperature Range:-50℃~70℃(-58℉~ 158℉)
2.Temperature Accuracy: ±1℃
3.Temperature Update Period: 5S
4.Power Supply: 1.5V 1pcs AAA battery
5.Product Size: 63*63*25mm
6.VA Size: 45*20mm
7.Net Weight: 60g
Button Function
[MIN/MAX]: Press to check the Max & Min temperature value records, and then long press to clear the records.
[ROOM/FRIDGE]: Press to switch room thermometer and fridge thermometer display.
[ALERT]: Press to start or close Max & Min in temperature alert function.
[C/F]: Press this button on the back of the thermometer to switch Celsius and Fahrenheit display; In setting mode, press this button to adjust temperature alert values.
Package Includes
1 x Digital Thermometer
1 x AAA battery
1 x Manual
8. Temp Stick Wireless Remote Temperature & Humidity Sensor. Connects directly to WiFi. Free 24/7 Monitoring, Alerts & Historical Data. Free iPhone/Android Apps, Monitor from anywhere, anytime! -Black
Feature
- Remote Wifi Temperature and Humidity Monitor. 5 Year Warranty… the last sensor you’ll need to buy!
- Superior 1 Year+ battery life! Completely wireless, battery operated sensor (2x AA batteries, included). No gateways or wires needed. Connects to Wifi and Sends text and email alerts for Hi/Low Temperatures, Humidity Levels, Wifi Connection Loss and Low Battery.
- Check-in remotely from anywhere, anytime using your mobile, tablet or pc. Connects to your wifi and monitors temperature and humidity in your home, fridge, attic, walkin cooler.
- Data logging with Unlimited History. No subscription and No fees. Accurately monitor conditions 24/7.
- Made in the USA. Proudly support American manufacturing & ingenuity. Free customer service, easily reach us by phone or email Mon > Sat for fast, knowledgeable assistance.
Description
Temp° Stick by Ideal Sciences is an all-in-one wireless sensor that remotely monitors and alerts temperature & humidity conditions from anywhere, anytime. Connect to your home or business wifi network and start receiving text and email alerts the instant an important change in temperature or humidity triggers, when connection is lost or when batteries are low.
View and manage from any smart phone, tablet or pc.
- Track Temperature (-40°F to 125°F)
- Track Humidity (0 – 100%)
- Receive text and email alerts
- Battery operated, place it anywhere
- Connects directly to wifi network
- No gateway devices required
- Easy 3 minute setup
- Set hi-lo triggers for alerts
- Customize alert messages
- Monitors /alerts battery levels
- Monitors /alerts if wifi signal lost
- Unlimited history of readings
- Monitor every 5,10,15,30 or 60 min
- No fees or subscriptions
- Access anywhere via web browser
- Free Android & iPhone apps
- Alert multiple users
- Supports multiple sensors
- Set C° or Fahrenheit
- LED light on when taking readings
- Requires 2 x AA alkaline batteries (included)
- Battery life: 1+ Years
- 5 Year Warranty
- American Made
- Free, Lifetime Support 888.263.6973
Set-up in 3 easy steps
1) Add batteries (included) to sensor.
2) Connect with phone, tablet or pc
3) Sign up and follow instructions to receive temperature and humidity data.
Specifications:
Dimensions: 3.5″ x 1.5″ x 1.25″
Factory-calibrated, excellent stability
High Accuracy Temperature Sensor : ±0.4 °C (max)
Temperature operating range Up to –40 to +125 °F
Relative Humidity Sensor : ± 4% RH (max), 0–80% RH
0 to 100% RH operating range.
RV Customers: Does not operate on guest networks at RV parks, you’ll need a wifi hotspot.
9. Wireless Temperature & Humidity Bluetooth Smart Sensor for iPhone – Thermometer/Hygrometer to Monitor Climate for Your Home, Refrigerator, Humidor, Reptiles, Baby, Guitar, and More (2 Sensors – Gray)
Feature
- ⚡ Accurate Temperature & Humidity Gauge – Moat uses only high quality components so you get the best possible performance
- ???? Portable and Long Lasting – The sensor is small, lightweight, and has a one year battery, so you can use it anywhere
- ???? Worry Free – Setup temperature and humidity alarms so you don’t have to worry about your room, nursery, freezer, incubator, crawlspace, greenhouse, cigar box, wine cellar, or wherever is most important to you
- ???? Beautiful iPhone/Android Compatibility – The app is built with simplicity in mind. Beautiful graphs, data logger, and easy to setup and use interface
- ???? Long Range Bluetooth – The sensor utilizes BLE’s ultra long range technology so you can place it anywhere. 100 meters with no obstructions
10. La Crosse Alerts Mobile 926-25101-GP Wireless Monitor System Set with Dry Probe
Feature
- Remotely monitors sensors 24/7 using a APP. Perfect for…Backyard temperature and humidity
- Plants, gardens and greenhouses
- Refrigerators, freezers
- Food storage
- Sensitive electronics
- Outdoor pets and livestock
- and so much more
- Temperature and humidity measures: (1) Ambient air temperature
- (2) Ambient humidity
- (3) Probe temperature, Temperature range: -40°F to 140°F
- Includes: sensor, internet gateway with LAN cable & AC adapter, DRY probe
- Requires 2 AAA Alkaline batteries (not included)
- Text and E-mail Alerts first 3 months FREE
- 1 year subscription available after for $11.88 yearly ($0.99 per month), kindly refer the user manual given below for troubleshooting steps.
Description
For proper set up follow the below steps 1. Connect gateway to router. 2. Insert power cord into outlet and into the gateway. 3. Wait for 4 red blinks 4. Optional: Insert Probe into sensor. 5. Insert 2 AAA batteries into sensor. (Dated 2025 or newer) Observe correct polarity. 6. Download La Crosse Alerts Mobile App.
Conclusion
By our suggestions above, we hope that you can found Da20 Freezer Alarm for you.Please don’t forget to share your experience by comment in this post. Thank you!