1 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

1 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

• 1 Brown ABS Normally Closed Door Contact Switch
• .2 Amp Maximum Switch Current
• Will make Sense Door Closer at Roughly ¾” or 15mm
• 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.