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 Kit_x000D_ Material: ABS_x000D_ Voltage: 12V_x000D_ _x000D_ Remote Control Distance: Approx. 100m/109.4yd_x000D_ Remote Control Frequency: 433.92 Mhz_x000D_ Applicable Life: 2 Years_x000D_ Main Function:_x000D_ _x000D_ 1. Remote control unlock/lock_x000D_ 2. Siren output_x000D_ 3. Turn Signal Output_x000D_ 4. LED indicator_x000D_ 5. Manually trigger to unlock and close the lock_x000D_ 6. Learning code remote controller_x000D_ 7. Remote Trunk Release_x000D_ 8. Pure Copper Wire_x000D_ Battery: Button Battery (Built-in)_x000D_ Model: CR2025_x000D_ Capacity: 150MHA_x000D_ _x000D_ _x000D_ How to Use:_x000D_ _x000D_ 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._x000D_ 2. If appropriate, follow the wiring diagram in the installation instructions for wiring._x000D_ 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.