Photo 1 of 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)

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Photo 1 of 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)Photo 2 of 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)