uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-58
uxcell
uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-36 10pcs
uxcell
Flair Electronics Recessed Contact, Wire Leads, VIP94-2 (10 Pack)
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Garage Door Reed Switch OC-55 NC/NO Surface Mount Wired Door and Window Alarm, Ferromagnetic Door Switch, Contact Sensor for Home Security and Burglar Alarm Reed Switch Silver Grey, Set of 1
priaolker