Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch – (5 Sets)

Price: $18.99
(as of Feb 23, 2023 07:08:28 UTC – Details)

☀️【Application】: The door contact sensors work as an anti-theft alarm, ideal for metal door and window.
☀️【Easy To Install】: Have small screw terminals which makes it much easier to wire. Closed loop magnetic contact that features a terminal block style connection for accepting wire. Mounting hole diameter is about 3/8 inch (9.5mm)
☀️【Contact Type】: NC (Normally Closed); 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 )
☀️【Hassle-Free Warranty】: Hxchen guarantee high quality and good service. Here with our 90-day money back risk-free purchase guarantee, order now! If you are not satisfied in any way, Refund or Replacement for any quality problem.