This manual room thermostat is recessed and designed to provide automatic on/off control for electric underfloor heating systems and other electric 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 knob. When the built-in air sensor detects that the room temperature reaches the preset temperature, the thermostat will automatically pause heating. The built-in sensor is used for room temperature detection, and the external probe is used for high floor temperature protection, ensuring that the maximum floor heating temperature does not exceed 50. LED indicator. This electric underfloor heating thermostat has an LED indicator, making it easy for you to check whether the floor heating system is working or not. When the LED indicator is on, it indicates that it is heating. Specification: 220~240VAC, 16A, 50/60Hz, Temperature range: 5~40. Temperature difference: 0.5 Package: 1* thermostat, 1* 3m floor sensor, 2* mounting screws, 1* English user manual.