Detailed Product Description electronic room thermostat for control of heating system. Simple to install and operate;16 Amp;Air sensing ; floor sensing ; air sensing + floor limit;Setting range: 5-40 deg C , 0~80 deg C, -15~100 deg C selectable;C / F temperature format selectable;power supply: 230Vac ; 120Vac available;Floor limit function;Key pad lock facility;Switching diffential setting.