1、Compatibility: The car smart key with LCD touch screen is compatible with all one button start car models and does not support models that require mechanical or insert type keys. 2、User Friendly Design: This key fob adopts a zinc alloy frame for sensitive touch and comfortable hand feeling, the sleek appearance design for a more tech friendly experience. 3、Window Auto Roll Up: Certain models can be set to automatically roll up the windows once the car is locked, the feature can only be set if the original car is equipped with the function. 4、Keyless Entry: The key fob facilitates a keyless entry experience, which automatically unlocks the car as the owner approaches and locks it when they leave. 5、Anti Lost: With anti lost feature allows the owner to program their contact information into the key. If the key is misplaced, the finder can easily locate and return it with the owner's contact details. Item Type: Car Smart Key Screen Size: Approx. 2in / 5.08cm Material: Zinc Alloy Screen Resolution: 240x320 Connection Mode: Bluetooth 5.0 Language: Default English Battery Type: 800mAh Lithium Battery (Built in) Usage Method: 1. Remove the original key chip, 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 connecting wire to the socket. 3. Insert the OBD module into the OBD interface under the main driver's seat of the car. Application: 1 x Car Smart Key 1 x Charging Cable 1 x OBD 1 x Manual