For Automatic Climate Control Models: Easy to install, just plug into the original car socket. For Manual Air Conditioning Models (with temperature sensor, manual ☛ automatic, constant temperature possible) Features One-key lock window lift function (automatically detect the windows when lock the car) External fragrance system (controlled on the screen) Seat heating Smart Voice Control Automatically Start & Stop Seat ventilation QLED 6.9 inch full-view IPS screen with 1920x6480 pixels resolution