1Compatible with alarms system 2 Universal for all type of Vehicle 3 ... &rivetedUniversal Features,fit any modelsPush / pull force:Key or door-button operationSteel power metallurgical main gearMotor with Japanese technology,optional ... operationVoltage:12VDC+/-2V, System of control:negative groundCompatible with car alarm systemActuator Colors:Black, Light Blue ,Dark Bule,etc Central locking system