... Jam-Prevention,Dust-Tight,Waterproof Life:100000cycles Up central locking, car locking,car door lockingKit Features:1.2 Master 2 Slave2.Convert ... heads for easy installing4.Double track design,jam-prevention,work stably and smoothly5.Parting line is sealed by ultrasonic ... temperature-40 to +80 degrees Celsius12Operating humidity≤75%Diagram: Car Central Door Locking System,PVC Jacket Wire Harness