1Wide Application: Smart remote car key is fit for one click start car . Please confirm whether your model is applicable before buying. 2Long Standby Time: No worry of power shortage, can standby for 100 days, keyless entry can be used for 200 days, physical button can be used for 365 days, once charged, long term use. 3Anti Loss function: Add the owner's contact information, when the key is lost, the person who finds it can check the owner's contact information to contact the owner 4Keyless Entry: when the owner carries the key close to the car, the door lock will open automatically, so you can enter the car without taking out the key; when the owner leaves the car, the door lock will close automatically 5Personalized Style: The frame of the key is made of zinc alloy, which has a smooth metal feel. The car key emblem can be changed at will, covering most models in the market.