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 ,With temperature sensor, for your better experience.Voice Control:Adjust the temperature with voice assistant.Wireless remote control of room temperature, more convenientFree to installation of C-wire./Only Support 2.4GHz WiFi/The temperature sensor needs to meet 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 advanceName:North America WiFi Bluetooth temperature controllerMaterial: Plasticcolour: WhitePackage Contents:1 x WiFi Thermostat1 x Wall Plate2 x Screws2 x Drywall plugs1 x C-Wire Adapter1 x Remote Zone Sensor1 x Wire TagsOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.