UPC barcode 788497877335 is for product MC-32 NC Surface Mount Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White - (6 Sets)
- 【Package Included】: 6Sets x MC-32 Magnetic Reed Switch.(Mounting screws are includes).
- 【Function】: The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc.
- 【Install Distance】 ：Gap between 2 pieces more than 15mm, less than 25mm.White color make home great and beautiful. Anti-fire ABS material.
- 【Reed Switch】：Important : When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken.Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems.(some wireless system has wired zones)
- 【Switch Type】: NO means normally open: when the magnet separate, the circuit is conductive( light on ); when the magnet together, the circuit is not conductive ( light off ), NC means normally closed: when the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ).