My parts list/tender specifications

Electronic room thermostat insert On/Off with Nightly reduction with Resistance sensor Turn Heater 1 gang(s) 24 V AC

Data Sheet:

With built-in slide switch and control lamp for nightly reduction of 4 K. Switch contact opens when the set temperature is reached. With fixing claws. Separate terminal to activate nighttime mode and reduction of room temperature by 4K. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%.