Refrigerator Thermometers with 2 Wireless Temperature Sensors Customizable Alarms for Fridge & Freezer, Waterproof Digital Refrigerator Max/Min Record Function with LCD Screen Back Stand

Description:
This is a wireless digital freezer therometer. It can be used in the freezer and act as therometer indoor and outdoor. Its own ble alarm can warn you of the exceeded temperature in time.

Specification:
Material: ABS
Update Rate: 10 seconds
Indoor Temperature range: 0 ~ 50 (32 ~ 122 )
Outdoor Temperature range: 40 ~ 60 (40 ~ 140 )
Power Supply: 2 X AAA battery for the host, 4 X AAA battery for the sensor (Not included)

How to Install the Sensor:
The sensors are equipped with a springloaded clips along with a Plastic grip to tightly attached to the of a shelf. The display is magnetmountable on a fridge, or use the integrated keyhole for wall mounting.
Package Included:
1 x Host (Battery not included) 2 x Sensor (Battery not included) 1 x User Manual
Notice:
Do not install the reverse battery. Do not put the receiver near metal. Avoid transmitter directly in the rain.