Features:
* Open window function
* Temporarily override
* Anti-scale function
* Low power remind
* Anti-freezing function
* Child lock function
* Tuya APP remote control
* 7 days independent programming
* Wireless transmit range:Open distance 30M
TRV specififications:
* Battery lifetime:1year
* Temperature setting accuracy:0.5ºC
* Room temperature display range:0ºC~50ºC
* Operation temperature range:5ºC~30ºC
* Shipping & storage temperature:-10ºC~60ºC
* Frequency:2.4GHz
* Wireless transmit range:Open distance 30M
* Power source:2AA battery (Don't use the rechargeable battery)
* Display:LED screen* IP class:IP21
* Connection:M30x1.5mm
