Features: 1EASY INSTALLATION: The compact size of the thermostat makes it easy to install in various sizes of recessed boxes, such as 86mm square recessed boxes and 60mm European recessed boxes. 2EASY CONTROL WITH ROTARY KNOB: The thermostat features a rotary knob that displays all the functions and can be controlled by rotating the knob, making it convenient for you to use. 3TEMPERATURE CALIBRATION: To prevent temperature difference between the floor and the air, you can set the calibration value through the APP to ensure the final temperature gets your desired value. 4HIGH TEMPERATURE PROTECTION: The thermostat automatically stops heating to protect you from the dangers caused by high temperatures. 5SMART VOICE CONTROL: With its built in WiFi functionality, the thermostat can be voice controlled through smart assistants, providing a smart style that frees your hands and simplifies your life. Specification: Item Type: Smart thermostatMaterial: PC, ABS(fireproof)Weight: Approx. 281g / 9.9ozColor: BlackKnob Thickness: 16.7mm / 0.7in24.5mm / 1inKnob Thickness with Plate: 27mm / 1.1inRecessed Part Thickness: 24.5mm / 1inCurrent Load: 16ASensor: NTC3950, 10KAccuracy: 1CSetting Temperature Range: 5-35CRoom Temperature Range: 5-99CDisplay Temperature Range: 5-99CAmbient Temperature: 0-45CAmbient Humidity: 5-95%RH(non condensing)Storage Temperature: 0-45CInstallation Box: 86x86mm square box or European 60mm round boxTerminal: Wire 2x1.5 MM or 1x2.5 MMProtection Level: IP20 Package List: 1 x Thermostat2 x Screw1 x Manual1 x Probe Wire