Feature 1 [RF THERMOSTAT KIT] Includes a receiver connected to a gas fired boiler or underfloor water or electric heating system, and a wall mounted controller connected via RF frequency. 2 [MULTI PURPOSE] This thermostat kit has two uses: one for gas fired boilers and underfloor heating systems, and the other for floor electric heating systems. 3 [PROGRAMMABLE] The thermostat supports fully automatic programs or manually sets weekly schedules for 6 plus 1, 5 plus 2, and 7 days 6 times, providing you with maximum convenience in different situations. 4 [HOLIDAY MODE] The thermostat also has holiday mode, allowing you to enjoy a more comfortable temperature during the holiday. 5 [WIDE APPLICATION] This temperature controller can be used in hotels, villas, apartments, office buildings, hospitals, schools, mall, sports venues, etc.Item Type: Programmable ThermostatMaterial: Flame Retardant PCTransmitter: 1.5V AA battery x 2 (shipped without battery)Display Accuracy: 0.5Backlit: WhiteProbe Sensor: NTC (10k) 1%Operating Temperature: 0 to 70Default Temperature Adjustment Range: 5 to 35Temperature Display Range: 0 to 40Contact Capacity: 16A AC250V (floor electric heating system), 5A AC250V (gas fired boiler and floor heating system)Working Voltage: 230Vac 50/60HzWireless Connection Form: RF Package List1 x Controller1 x Receiver4 x Screw1 x User Manual