Wide compatibility with C-wire adapter/Not supported 2 wire:for Conventional (2H/2C); Heat Pump (4H/2C); Supports natural gas, electric, hot water, or gravity, gas fireplaces (24 Volts), oil heat sources; heat pump, dual fuel,With temperature sensor, for your better experience. Voice Control:Adjust the temperature with voice assistant. Wireless remote control of room temperature, more convenient Free to installation of C-wire./Only Support 2.4GHz WiFi/The temperature sensor needs to both monitoring to people and during the planned time in order to work. Note: Some adapters are only used in North America. For other regions, please whether they are suitable in advance Name:North America WiFi Bluetooth temperature controller Material: Plastic colour: White Package Contents: 1 x WiFi Thermostat 1 x Wall Plate 2 x Screws 2 x Drywall plugs 1 x C-Wire Adapter 1 x Remote Zone Sensor 1 x Wire Tags Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.