Flush mounted, this manual room thermostat is designed to provide automatic on/off control for most electric underfloor heating systems. This thermostat is not compatible with two-wire and battery-powered thermostat systems, it is required a neutral wire and live wire to power the thermostat. Temperature control range: 5℃~40℃. Output: Max 16A. Safe and easy to use. Turn on the push button and then set the room temperature by turning the rotary knob. When built-in air sensor detects room temperature reaches the preset temperature, the thermostat will pause the heating automatically. Built-in sensor and 3m NTC external floor probe. The built-in sensor is used for room temperature detection, and the external probe is used for high floor temperature protection that ensures the maximum floor heating temperature is not exceeded 50℃. LED indicator. This electric underfloor heating thermostat has an LED indicator, easy for you to check whether the underfloor heating system is working or not. When the LED indicator is on, it indicates that it is heating. Specification: Power supply: AC230V 50/60Hz; Power consumption: 5W; Temperature limit range: 25℃~55℃; Degree of protection: IP20. Package: 1*thermostat, 1*3m floor sensor, 2*mounting screws, 1* user manual.