Flush mount, this manual room thermostat is designed to provide automatic on or off control for electric underfloor heating system and other electrical heating elements. Temperature control range: 5-40. Output: Max 16A. CE certified, 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. 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: 220-240VAC, 16A, 50 or 60Hz, Temperature range: 5-40. Temperature difference: 0.5 Package: 1x thermostat, 1x 3m floor sensor, 2x mounting screws, 1x English user manual.