1. Smart Thermostatic Radiator, You Can Quickly Add It To Tuya Hub And Pair It With Just One Click On The App 2. App/Voice Control, Smart Life/Tuya App Remote Control Anytime And Anywhere, Cooperates With Alexa, Google Home, Yandex Alice 3. Three Modes Are Available: Manual Mode, Automatic Mode And Temporary Program Mode. 4. Weekly Programmable, 5+2/6+1/7 Days Per Week, 6 Periods On Working Days, 2 Periods On Rest Days, Supports Different Temperature Settings And Runs As Planned 5. Precise Temperature Control, More Comfortable Maximum Thrust: 80N Transmission Temperature Range: -10~60°C Power: 3(AA)*1.5B LR6(Without) Communication Frequency: 2.405-2.408Ghz Maximum Stroke: 5.0mm Working Environment Temperature: 0~50°C Temperature Setting Range: 5~35°C Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Zigbee Model Needs To Be Used With A Tuya Zigbee Gateway type:ZigBee Colour:As Shown Material:ABS Package Contents: 1 x Thermostatic Valve 1 Set x Screw Installation Package 1 x English 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.