Features:1.Your car can realize remote door lock and unlock with this central locking kit, convenient and safe to use.2.Comes with 2pcs 2?key remote control, manually trigger unlocking and closing.3.With speaker output function and turn signal output function, LED indicator gives you a better experience.4.Learning code remote controller, can be used to open the trunk, service life can get to 2 years.5.The using of pure copper wire can ensures more stable signal transmission and reliable function.Specification:Item Type: Remote Central Lock KitMaterial: ABSVoltage: 12VRemote Control Distance: Approx. 100m/109.4ydRemote Control Frequency: 433.92 MhzApplicable Life: 2 YearsMain Function:1. Remote control unlock/lock2. Siren output3. Turn Signal Output4. LED indicator5. Manually trigger to unlock and close the lock6. Learning code remote controller7. Remote Trunk Release8. Pure Copper WireBattery: Button Battery (Built-in)Model: CR2025Capacity: 150MHAHow to Use:1. If the car is initially equipped with a central door lock system, and the driver's door has been installed with an electric motor, you can check whether the wiring is suitable.2. If appropriate, follow the wiring diagram in the installation instructions for wiring.3. Install and use.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.