Rotational Central Locking Japan-Imported High Torque Power Motor Jam-Prevention,Dust-Tight,Waterproof Life:100000cycles Up central locking, car locking,car door lockingKit Features ... .Japan-imported High torque super power motor7.All mounting hareware are included8.Compatible with car alarm system and remote ... to +80 degrees Celsius12Operating humidity≤75%Diagram: Car Central Locking System