6 Sets Magnetic Reed Switch MC-32 NC Surface Mount Wired Security Door Window Alarm Door Window Contact Sensor for Home Security Burglar Alarm Systems (White)
10 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8"
4.6 out of 5
Based on 30 customer reviews
Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (5 Sets)
4.3 out of 5
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QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
