WIFI Thermometer (IOT0909)

3 inch LCD backlit display
Wi-Fi high/low temperature alert system with app notification
Power supply DC5V 1A & rechargeable battery as a backup battery
Detecting temperature range: - 40°C + 120 °C
External temperature sensor probe 3m Waterproof
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suitable for Freezer, Refrigerator, Data Centers, Wearhouse ,labs ,hospitals...