Usage Tips:Wall thermostat for underfloor heating. Recessed mounting. This thermostat is mounted on the wall in a standard back box which is suitable worldwide. It is suitable for electronic underfloor heating and other electric heating elements. Easy to use. Turn on the push button, then adjust the floor temperature by turning the rotary knob. This manual thermostat for electric underfloor heating is used to control the floor temperature and the operation of the underfloor heating system. LED indicator. This electric underfloor heating thermostat has an LED indicator, allowing you to easily check whether the underfloor heating system is working or not. When the LED light is on, it indicates that it is heating. 3m NTC external floor sensor, this mechanical room thermostat has an external 3m temperature sensor to detect the temperature of the underfloor heating system, which makes temperature control more precise and easier. Specifications: 220V~240VAC 16A 50/60Hz; Temperature range: 5~40; Differential by temperature: 0.5; Degree of protection: IP20. Package: 1*thermostat, 1*3m floor sensor, 2*mounting screws, 1*English user manual. Specification 220~240VAC 16A 50 / 60Hz Temperature range: 5~40 Temperature differential: 0.5 Protection degree: IP20 < p > Package 1 * thermostat 1 * 3m floor sensor 2 * mounting screws 1 * instruction manual use in English