What's in the box:

Universal 4 Door Central Door Locking System with 1 Master 3 Slaves 12V Keyless Entry Actuator Door Locking System Kit (Standard)

Features:
360 degree rotation available.
Turn your manual door locks into automatic door locks, which improves your car security and brings you more convenience.
Suitable for most cars to connect to alarm system to protect personal items.
Made of premium quality material, ultrasonic welded, waterproof, has a long service life.
Compatible with remote security lock and unlock outputs.
Come with all needed accessories.

Specifications:
Condition: New
Main Color: Black
Material: Plastic + Metal
Working Voltage: 12V
Package Size: 24 * 14 * 9cm
Package Weight: 800g

Package List:
1 x Main Unit Module
1 x Car Central Door Lock System Master
3 x Car Central Door Lock System Slave
1 x Attachment Kit (Triple Lock)
4 x Metal Bracket
4 x Metal Rod
1 x Wiring Set

Note:
Remotes are not included.