Home Wireless Refrigerator Thermometer

Description:
1. Type: Electronic thermometer and hygrometer
2. Low temperature alarm (the temperature will be lower than the preset value will give an audible alarm).
3. Indoor temperature range: 0 °C to +60 °C.
4. Outdoor temperature range: -40 ° C to +60 ° C.
5. Accurate temperature: 1.0
6. Power supply (host): 2x7 battery
7. Power supply (slave): 2x5 battery
8. Wireless range: no interference 100 meters