1.Car central door lock 2.Four door single controll, one master three slaves. 3.360 degree reel 4.Simple and unique design car central door lock1.Four door single controll,2 master 2 slaves2.Universal car central locking system;when unlock-lock the door of driver seat,controlling other three doors at the same time3.double track design4.Max current:2.3A .Min current:0.15A5.Dynamic torsion:4.0-4. ...