APP Remote Control:Control the radiator thermostat valve anywhere/anytime via phone APP. Voice Control:A simple to voice control the thermostat switch. Open window Function:Open the window detection function on the of the APP and the device will automatically detect. Long battery life, rest to use:Low power consumption,Battery standby for more than one year. Programmable Weekly Schedule&Time Period:,supports different temperature setting accordingly with 6 time-modes daily. Protocol: Tuya Zigbee/zigbee3,0/Zwave/Matter Power:2xAA batteries (not included) Temperature range: 5-30, accurate to 0.5. Thread connection: M30x1.5 mm (adapters include RA, , RAVL, M28, and -6 adapters) Operating temperature: -10-50. Operating humidity: up to 90% Colour:White Material:ABS Package Contents: 1 x Smart Thermostatic Valve 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.