4-Heat/2-Cool Residential Digital Switchable Non Programmable/Programmable(Choose 7, 52 Day Or 1-Day Programming) Thermostat 24V, Hertz:50-60, Set Point Temperature Range(Heating):35-99F, Set Point Temperature Range(Cooling):35-99F, Dead Band Differential 1-6F, Operating Ambient 35-105F, Operating Humidity:5-90 Rh, Non Condensing, Gas,Electric Or Heat Pump Control, Adjustable Timers & Dead Bands Between Stages, Weight:11.3 Oz, In Mfg Box, Made In China