Specifications 1. OBD connector, no need any wires. 2. Auto-lock or unlock. 3. Stable performance, long life. LOCK AUTOMATICALLY: Owners start the cars, when the car speed exceeds 8KM/hour and the rear doors will be locked automatically, SMART AUTOMATIC RECOGNITION: 1.Speed lock device can automatically identify four door is closed or not. The central locking system will be locked automatically until the door close completely. 2.In the driving process, the rear passengers get off, without the main switch lock, in the back door can be opened.In the driving process, the rear passengers get off, without the main switch, in the back door can be opened,after the speed up to 8KM and the door central locking will be locked again, no limit how many times you open the door. And any door open after single repeat locked, in driving the process the speed lock will control all locks, to prevent a man pulling lock dangers( this is an important dynamic child lock function ); PATENT TECHNOLGY

1. The car door central locking will unlock when the engine stops running immediately;

2. The car door central locking will unlock when the speed plummeted (within 2 seconds from 50KM, to 0KM), It can avoid a dangerous when the car driver meets accidents, the car door central locking unlock automatically will increase the escaping probability, speed up the rescue!

 Advantages:                                                           

1.OBD connector, Plug and play design,ONLY need to connect with data cable. Easy for installation

2.Install it under the left side of dashboard3.Original CANBUS design, to achieve auto-lock or unlock.

4.Stable performance, long life

5.Speed up the rescue

LOCK AUTOMATICALLY: Owners start the cars, when the car speed exceeds 8KM/hour and the rear doors will be locked automatically,   

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