Function: 1. Keyless door unlocking: When the car owner approaches the do of the car with the key, the zamek door will open automatically and you can enter the do of the car without removing the key. 2. Automatic lock: When you leave the car with the key, the doors lock automatically, and models that support automatic window lifting can set this function when the car is locked automatically. 3. Long standby time: solve power problems, 100 days standby, keyless access can be used for 200 days, physical buttons can be used for 365 days, single charge, long use. 4. Personalized style: The key logo can be freely changed, and most models available on the market are available with a personalized interface emphasizing the unique style. 5. Specification: Material: stop zinc Screen Resolution: 240x320 Connection Mode: Bluetooth 5.0 Languages: Chinese, English, Korean, Turkish Battery Type: Lithium Battery (Built-in) Battery capacity: 800mah Functions: Keyless access do car, automatic window lifting function, key loss protection, change key to logo car Suitable models: all models with one click (Not suitable do models where the original car requires a mechanical key or inserted key to enter the do car) How to use: 1. Remove the original car key chip and weld the connecting beam do of each key function switch corresponding to the original car key according to the diagram in the user manual. 2. After the welding of the original car key is complete, connect the other end of the do outlet. 3. Insert the OBD module in place of the OBD interface under the main seat of the car driver. List of packages: 1x OBD 1 x Wire Cable 1 x Charging Cable