room thermostat Differential temperature:1 degree Setting temperature :5 degree ~35 degree Temperature range:zero ~ 40 degree Basic function:1. Recommended for control of underfloor heating and electrical heating.2. Electronic on/off control up to 4000W, 16A or 5000W,20A3. Six daily programmable time settings, from Mondays to Sundays4. Large Back-lit display, LED screen, easy-to-see and read5. ...