1Keyless Door Unlock: When the car owner approaches the car with the key, the door lock will automatically open, and you can enter the car without taking out the key. 2Automatic Lock: When leaving the car with the key, the door locks automatically, and models that support automatic window lift can set the function after the car is automatic locking. 3Long Standby Time: Solve power worries, standby 30 days, keyless entry can be used for 200 days, physical buttons can be used for 365 days, one charge, long use. 4Personalized Style Design: The key logo can be changed at will, and most of models on the market are available with a personalized interface design to highlight unique style. 5Frame Material: The bezel is made of zinc alloy, smooth to the touch, and the metallic bezel has high durability, and can add the contact information of the owner.