WiFi Smart Thermostat Color Screen Rotary Heating Thermostat with Backlight/Temperature/Sensor/Time Temperature Calibration Adjustment The BHT-7000 range has been developed to control electric underfloor, water heating or water / gas boiler systems. These units are designed for use in commercial, industrial, civil and domestic properties. Features: 1.32 inch circular and 240 * 240 TFT shows your artistic taste. Superfine aluminum side knob lets your fingers feel delicate. Above 6H tempered glass keeps your screen away from scratches. Agile push button gives you an excellent experience. Seven colors ambient light increase color to your life. Variety brushed back panel options are suitable for different home styles. Specifications: Color: Black / Grey / Gold (Optional) Model: GA / GB / GC (Optional) Shell Material: PC + ABS (Fireproof) Power Supply: 95-240VAC, 50-60Hz or 24V DC/AC, 50-60Hz (Please check the information laser printed on the back of the thermostat for the actual voltage) Current Load: 5A (water heating, gas boiler), 16A (electric heating) Sensor: NTC3950, 10K Accuracy: ±1℃ Set Temp. Range: 5-35℃ / 41℉-95℉ Room Temp. Range: 5-99℃ / 41℉-210℉ Display Temp. Range: 5-99℃ / 41℉-210℉ Ambient Temp: 0-45℃ / 32℉-113℉ Ambient Humidity: 5-95%RH (Non-Condensing) Storage Temp:  0-45℃ / 32℉-113℉ Power Consumption: ＜1.5W Timing Error: ＜1% conservation Class: IP20 Buttons: Knob Item Size: 86 * 86 * 55mm / 3.38 * 3.38 * 2.16in Item Weight: 156g / 5.50oz Package Weight: 225g / 7.93oz Package Size: 11 * 9.5 * 6.5cm / 4.33 * 3.74 * 2.56in Model Definition: GA: Water heating, 5A GB: Electric floor heating, 16A GC: Water / Gas boiler, 5A L: Modbus communication W: WiFi S2: Both internal sensor and floor external sensor Package List: 1 * Thermostat 2 * Screws 1 * Floor Sensor (Optional) 1 * User Manual (English)