Romberg Thermostat Hortiswitch

The thermostat has a digital display with a relay by which two outlets are being switched. One outlet is for a hea-ting-mat, the other for the light. When the temperature in the greenhouse drops, the thermostat controls the hea-ting-mat so that the set temperature is reached again - and then turns off again. The light can also be controlled to the minute. One device to control them both…