... 7RW Pin Switch for Door, Hood, Trunk Car Alarm Auto Security,auto part, car accessories, car switch,auto China Direct SupplierPlating: Ni / ... Spring loaded switch mounted in the door, hook, trunk of the car When it is unauthorized open, the switch completes a ... circuit that triggers the alarm Water-resistant auto part/car accessories/car switch/automobile part Price of factory, Pin Switch:P-7RW