1.Unique design with double slide; durable and never get stuck
2.Ultrasonic soldering, water and dust proof
3.High torque and strong electromotor
4.Using wires and materials with UL accreditation
5.Using plugs/socket compatible with alarm system
6.Compatible with all cars & alarm system
7. with pull and push 4KGS
Packing box:22*14.5*9 cm
Carton size: 45.5*32.5*46.5cm
20sets/carton
N.W.:  0.95KG 
G.W.: 1.1KG