This item is thermostat, it's via the app, digital thermostat control anywhere, anytime, to provide heating at home, ensuring the most comfortable temperature when you get home, It's a professional controller for the . Features - Material: PC, ABS - Size: About 12.70X8.80X4.00cm/4.99X3.46X1.57inch - The 4.8-inch large color backlit LCD is easy to read, and the touch screen makes the operation simple. - The amazing silver frame opens up your modern life, and the visible thickness above the wall is only 15mm. - Suitable to use 86mm cassette and 60mm European round box. - There is no to adding a thermostat in the APP. - Create a thermostat group to centrally control and support equipment sharing. Specification - Voltage: 95- 50-60Hz - Current load: 5A - Power consumed: <1.5W - Sensor: NTC3950, - Accuracy: ±1 degree centigrade or ±1 fahrenheit scale - Setting temperature range: 5-35 degree centigrade - Display temperature range: 5-99 degree centigrade - Ambient temperature: 0-45 degree centigrade - Ambient humidity: 5-95% RH (non-condensation) - Timing error: < 1% Package list: 2 x Thermostat 4 x Screw 2 x Manual (English)