1. Key entry system, which can lock and unlock the car remotely enter the car to use it. 2. Reliable car control system, it can help you find the car and trunk unlock system. 3. It can control turn signal, electronic and pneumatic door locks, alarm output, etc. 4. Working voltage 12V, suitable for most vehicles. Comes with 2 remote controls for long control distance. 5. 433.92 MHz frequency, high sensitivity, stable performance. The size is small and does not take up space in the car. Specification: Item Type: Remote Central Door Lock Kit Material: ABS Color: Black Battery Type: Button Cell(Included) Battery Capacity: 120mAh Battery Model: CR2025 Voltage: 12V2V ( DC) Quiescent current: 12 mA Frequency: 433.92 MHz Remote control Voltage: 12 V Current: Frequency: 433.92 MHz Main function: Remote unlock/lock Flashing indicator Remote open trunk Remote car search Lock central 6-line output (applicable to various models) easy installation Applicable to the installation of 99% models Does not belong to the category of car anti-theft alarms: once the door is locked by remote control, it will not alarm after a collision with the car or the door slipping. Application: Universal 12V Car Key Entry Controller 1. Suitable for vehicles with remote control nor central locking 2. Suitable for original car with central locking but remote control How to use: 1. Lock Press the lock button once to unlock the door and the parking light will flash twice. The window closes automatically (if connected) 2. Unlock Press the unlock button once to unlock the door, the parking light will flash twice. 3. Trunk release Press the trunk button or unlock button for 3 seconds to release the trunk (if connected) 4. Electric/pneumatic central control lock There is a switch (jp1) on the brain unit, move -it to the "electric lock" position, lock or unlock the number of times is 0.5 seconds (equipped with electric lock). Move it to the "pneumatic lock" position, lock or reminder: the default setting is electronic lock 5. Car search When the engine is stopped, press and hold the lock button for 3 seconds, the parking light flashes slowly several times to let you locate the vehicle: press the lock button to stop 6. Learning the ECU Long press the learning button on the ECU for 1 second and release the learning button, the parking light is still on, press any button on the remote to confirm that the remote is paired. Package List: 1 x Control Box 1 Pack Cable 2 x Remote Key 1 x Adhesive Tape 1 x Manual