Ecobee Smart Thermostat Enhanced 2H/2C or 3H/2C with Heat Pump ENHANCED* Wi-Fi Programmable Smart Thermostat PRO6, 2H/2C or 3H/2C with Voice Control. Comes with Power Extender Kit (EBPEK201) in the Box. Compatibility Ecobee 6 Enhanced SmartThermostat Pro with radar occupancy*supports conventional 2H/2C and heat-pump 4H/4C applications.*Wire terminals (R, G, Y1, Y2, C, W1, W2/OB, PEK) Brand Ecobee Country of Origin Malaysia Colour Black Thermostat Type Digital Programmable Stages 3H/2C - Heat Pump, 2H/2C - Conv Supply Voltage 24V Shipping Length/Depth 1.02 " Shipping Width 4.09 " Shipping Height 4.09 " Shipping Weight 0.53 lb