This item is a universal 4-door car central locking kit with alarm function and the park light flashing function, you can convert manual door locks into automatic door locks, and protect all doors, boot and bonnet from theft. Specification: Main unit(central locking): Voltage: DC 12V Temperature: -20℃ to 70℃ Current consumption: 0.15 to 2.22A Endurance (up and down): 100,000 times Pushing& pulling force: 3kg Main unit(alarm system): Working voltage: DC12+_3V Static: current: 10mA Output current: turning light 7.5A x2 LED indicator: 3mA Siren: 10A Central locking: 10A Working frequency: 433.92MHZ Remote control: Working voltage: DC12V / 6V Average static current: 0mA Battery: 23/ 27A/ 12V/6V Fastener battery: Cr2016 Shocking sensor: Working voltage: DC12+_3V Static: current: 1mA Feature: The car door lock system can provide an easy way to control your car. High torque and strong electromotor Waterproof and dustproof,never get stuck Extremely smooth, large push and pull force,anti-stuck 360°degree rotating,easy to install Remotely lock and unlock your car. Warning identification, anti-theft. Direction light flashing. The side lights are flashing when door is unclosed well. Electric/pneumatic central door lock optional. Central door lock automatically. Remote car location. Remote trunk release. Rising power window. Universally for any cars. Package include: 2x main control unit 2x remote control 1x 5-wire actuators (master) 3x 2-wire actuators (slave) 1x siren speaker 1x fameout relay 1x shock sensor 1x LED connection wire 4x metal brackets 4x metal rods 4x wire 4 set of other install parts(clips, screws etc) 1x instruction manual