LCD Touch Screen Remote Control Key Anti Lost Convenient Use Touch Screen Keyless Entry Remote Key for One Button Start Vehicle Black Item Type: Smart Remote Control Car Key Size: Approx. 5.08cm / 2in Material: Zinc Alloy Screen Resolution: 240x320 Connection Mode: Bluetooth 5.0 Language: Default English Battery Type: Built in 800mAh Lithium Battery (included) Use Method: 1. Remove the original key chip and solder the connecting wire harness to each key function switch according to the instructions. 2. After soldering the original key, connect the other end of the connection wire to the socket. 3. Insert the OBD module into the OBD interface under the driver seat of the car.Fitment: Suitable for vehicles with start and stop engine buttons (not suitable for vehicle models with mechanical keys and plug in keys)