Visionpro 8000 Heat Pump Thermostat w/Redlink Internet Gateway, Features Include:Works with Redlink Accessories, Residential and Commercial Use, and Controls Humidification, De-Humidification, or Ventilation, Volts: 24, Stages: 2 Heat/2 Cool Conventional and 3 Heat/2 Cool Heat Pump, Programming:7-Day, Power:Dual Powered with Battery or Hardwired, Display: Large 3.5" Digital Touchscreen, Dims: 1"H X 5"W X 4-1/2"D, Weight:14 Ounces, In Mfg Box, Made In Mexico.