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    WiFi Freezer Alarm Thermometer with App Alert, Wireless Refrigerator Temperature Sensor, 90dB Loud Alarm, No Subscription Fee, for Fridge Kitchen Fish Tank Wine Cellar Hot Tub 2 Pack (2.4G WiFi Only)

    • Instant App Alerts & Loud 90dB Audible Alarm - Get notified immediately when freezer or fridge temperatures go out of range. Real-time app notifications combined with a powerful 90dB built-in alarm help prevent food spoilage, power outages, and costly losseshome or away, day or night
    • High-Precision Sensor with 2-Second Fast Refresh - Built with an industrial-grade temperature chip, this WiFi freezer thermometer measures from -4°F to 212°F with ±0.9°F accuracy. Fast 2-second updates ensure reliable, real-time monitoring for temperature-sensitive environments
    • Ultra-Thin 1.45mm Probe Cable No Door Gaps - The ultra-slim probe cable fits seamlessly through refrigerator and freezer door seals without damaging insulation or causing cold air leaks. No drilling, no toolsideal for chest freezers, upright freezers, refrigerators, and fish tanks
    • Whole-Home Monitoring with One Smart Gateway - Monitor real-time temperature data anytime using the Smart Life appno subscription required. One WiFi gateway supports up to 5 wireless sensors within a 328ft range, perfect for managing fridges, freezers, wine cellars, garages, RVs, and more
    • 1-Year Data Export & Long Battery Life - View detailed temperature charts and export up to one year of records for easy tracking and reporting. Sensors store daily, monthly, and yearly data, with a built-in battery lasting up to 12 months for worry-free, long-term monitoring
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    Any questions? Our AI beta will help you find out quickly.

    freezer temperature alarm
    freezer thermometer with alarm
    • In open areas, make sure the gateway is within 330 feet (100 meters) of your router and is using a 2.4GHz Wi-Fi network (5GHz is not supported). Walls and other obstacles may reduce the range.

    • 1.Press the volume button?? on the gateway once.

      2.In the Smart Life app, tap ??“Mute Alarm”?? on the main sensor screen when notified.

    • Yes,Our Smart Living app has just been updated with a new version that fixes the Celsius/Fahrenheit conversion issue and resolves the problem where high/low alarm temperature ranges weren’t working correctly when set to Fahrenheit.

    • If the system’s down for more than 30 minutes, you’ll get an alert pushed to your device. Note: Once power or internet is restored, the gateway will reconnect automatically.

    • Yes. The alarm will sound 20 times and then stop, but the LED will keep blinking if the issue continues.

      You’ll get an app notification every hour for up to 12 hours, unless the problem is fixed sooner.

    freezer temperature alarm
    freezer thermometer with alarm
    • In open areas, make sure the gateway is within 330 feet (100 meters) of your router and is using a 2.4GHz Wi-Fi network (5GHz is not supported). Walls and other obstacles may reduce the range.

    • 1.Press the volume button?? on the gateway once.

      2.In the Smart Life app, tap ??“Mute Alarm”?? on the main sensor screen when notified.

    • Yes,Our Smart Living app has just been updated with a new version that fixes the Celsius/Fahrenheit conversion issue and resolves the problem where high/low alarm temperature ranges weren’t working correctly when set to Fahrenheit.

    • If the system’s down for more than 30 minutes, you’ll get an alert pushed to your device. Note: Once power or internet is restored, the gateway will reconnect automatically.

    • Yes. The alarm will sound 20 times and then stop, but the LED will keep blinking if the issue continues.

      You’ll get an app notification every hour for up to 12 hours, unless the problem is fixed sooner.

    Product DescriptionAmazon US Reliable WiFi Freezer & Refrigerator Temperature MonitoringAnywhere, Anytime Unexpected temperature changes can lead to spoiled food, wasted money, and unnecessary stress. This WiFi Freezer Thermometer Alarm provides real-time monitoring and instant alerts, so youll always know when your fridge or freezer needs attentionwhether youre at home, at work, or traveling. Instant App Alerts + Loud 90dB Audible Alarm Stay protected with dual alerts. When the temperature goes outside your preset range, youll receive immediate notifications through the Smart Life app, while the built-in 90dB loud alarm sounds locally for fast on-site response. Easily silence alerts via the app or the gateway button when needed. High-Precision Sensor with Fast 2-Second Updates Powered by an industrial-grade temperature chip, this digital thermometer delivers accurate readings within ±0.9°F across a wide range from -4°F to 212°F. With a fast 2-second refresh rate, you get reliable, real-time temperature data for critical environments. Ultra-Thin 1.45mm Probe CableNo Door Gaps The ultra-slim probe cable slides smoothly through refrigerator and freezer door seals without damaging insulation or causing cold air leaks. No drilling or permanent installation requiredperfect for upright freezers, chest freezers, refrigerators, and fish tanks. Whole-Home Monitoring with One Smart Gateway Monitor temperatures anytime using the Smart Life app (no subscription required). One WiFi gateway supports up to 5 wireless sensors within a 328 ft range, allowing you to manage multiple fridges, freezers, fish tanks, wine cellars, garages, or RVs from one dashboard. 1-Year Data Export & Long Battery Life View detailed temperature charts and download up to one year of historical data for tracking and reporting. Each sensor stores daily, monthly, and yearly records, and the built-in battery lasts up to 12 months for worry-free, long-term use. Perfect for Home & Specialty Use Designed for busy families, food safety monitoring, and temperature-sensitive setups, this smart thermometer helps protect: Home refrigerators & freezers Fish tanks & aquariums Wine cellars & garages RV refrigerators Important Notes Supports 2.4GHz Wi-Fi only (5GHz not supported) App: Smart Life (iOS & Android) No monthly fees or subscriptions


    Product information

    Brand POPFIRST
    Special Feature Alarm
    Color White
    Age Range (Description) Adult
    Included Components Instruction Manual
    Outer Material Plastic
    Display Type Digital
    Item Length 39 Inches
    Response Time 2 seconds
    Smart Home Compatibility Smart Home Compatible
    Manufacturer POPFIRST
    Item Weight 6.4 ounces
    Item model number WDBJQ
    Date First Available December 8, 2025

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: non-replaceable
    • This item is covered by shiyishan Return Policy

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