... 2.High Torque Motor 3.Jam-prevention,Dust-tight,Waterproof 4.pull/push force:7.5KG Car Central Door ... Locking System Kit Features: 1.Convert manual door locks to central locking power ... easy to install, flexibly to install7.Compatible with car alarm system and remote controller8.Universal features, suitable ... 40- +80C12Operating humidity≤75% 5 Wires Car Central Door Locking System