VIOT Store Heating Cooling Heat Pump Thermostat Digital 5+2 Saver NEW Digital Thermostat, Heating and/or Cooling Or Heat Pump model: A3712; Single Zone Heating and or Cooling; 24 VAC Power supply with battery backup; 5+2 or 7 days weekly programmable, upto 4 temperature period each day(Energy saving!); Large to cover replace all brand name in the field; Large display; Looks pretty! GREAT Design for upscale homes and offices! MAIN FEATURES:Heating, air conditioning or heat pumpAll powered operations: electric, or gas.24 VAC with battery backup, you will never loss the program you set up.Temperature display in C or F;nHour display in 12 with AM/PM or 24 hour military time; Large easy to read display with back light.Large panel to cover the wall hole for any brand name replaced.SPECIFICATION: Temperature Sensor: NTC thermistor, built in, 10K. Temperature range :49 to 95 F Setting Accuracy: 1 degree. POWER: 24 VAC with 2 AAA battery back up Wire Connections: Rc/Rh/G/W/Y Physical Size: 140X95X28 mm(W, H, D) WEIGHT: 1 lb One year warranty. WE SUPPLY HVAC SCHOOLS AND CONTRACTORS!EMAIL ALL QUESTIONS TO JOHN User manual at: http://www.viot.us/showmanual.php?model=A3712 Frequently asked question at: http://www.viot.us/showshowFAQ.php?model=A3712 MORE PRODUCTS AVAILABLE, COME TO http://www.viot.us/HVAC AND CHECK THEM OUT NOW!