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.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 printed on the back of the thermostat for the actual voltage)Current Load: 5A(water heating, gas boiler), 16A(electric heating)Sensor: NTC3950, 10KAccuracy: 1Set Temp. Range: 5-35 / 41-95Room Temp. Range: 5-99 / 41-210Display Temp. Range: 5-99 / 41-210Ambient Temp: 0-45 / 32-113Ambient Humidity: 5-95%RH(Non-Condensing)Storage Temp: 0-45 / 32-113Power Consumption: ＜1.5WTiming Error: ＜1%Protection Class: IP20Buttons: KnobItem Size: 86* 86* 55mm/ 3.38* 3.38* 2.16inItem Weight: 156g/ 5.50ozPackage Weight: 225g/ 7.93ozPackage Size: 11* 9.5* 6.5cm/ 4.33* 3.74* 2.56inModel Definition:GA: Water heating, 5AGB: Electric floor heating, 16AGC: Water/ Gas boiler, 5AL: Modbus communicationW: WiFiS2: Both internal sensor and floor external sensorPackage List:1* Thermostat2* Screws1* Floor Sensor(Optional)1* User Manual(English)