Magnetic Contact Switch For Closed Circuits (SEC-SM200WH MAG CONT N/C)
 
List Price: $2.99

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Product Description

Here are the most basic sensors of any alarm system. These contact switches for closed circuit systems are ideal for doors, windows, and sliding doors. Measuring 2.48" long and half an inch high, they attach with wood or sheet metal screws (not included) to the frame of the door or window and the case or jam.

Features:
  • The Basic Sensor Of Any Alarm System!
  • Use on closed circuit systems
  • UL Listed for security systems
  • Use on doors, windows, and sliding doors
  • ?" Operation gap