Nest Mirror Black 3rd Gen. Learning Smart Thermostat

2.08 in, 24-Bit Color LCD Screen/ 480 x 480 Resolution/ Works With 95 Percent Of 24V Heating And Cooling Systems, Including Gas, Electric, Forced Air, Heat Pump, Radiant, Oil, Hot Water, Solar And Geothermal/ Temperature, Humidity, Near-Field And Far-Field activity, And Ambient light Sensors/ Bluetooth Low Energy/ Built-In Rechargeable Lithium-Ion Battery/ Mirror Black Finish