1 Mini Recessed Door Contacts Brown NC Security Alarm Door Window Sensors W/Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems
- 1 Brown ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with 11" pigtail.
- Will Sense Door Closer at Roughly 1/2” or 10mm.
- This Contact Works with Any Access Control or Burglar Alarm System Available.
- NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..