Pay in 4 interest-free payments of $7.68 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
The added benefit of not only being a dependable fastener
alloy and many ther abrasive materials
mechanical equipment
Total Weight: 196g
76-inch x 0
30pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White Plastic Ball Bearings The added benefit of notDescription: 1. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully! 2. These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. 3. Work as an anti theft alarm, perfect for metal door and window.
US$ 127.50
US$ 80.00
US$ 132.50
US$ 119.99
