Magnetic Reed Switch, Normally Open and Normally Closed NC NO Magnetic Proximity Switch for Door Alarm, Window Safety, Agnetic Door Switch for DC 5V 12V 24V Light (White, 2 Pack)

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NO (Normally Open)

When the magnet approaches the switch, the switch closes. When the magnet leaves, the switch will open

NC (Normally Closed)

When the magnet reaches the switch, the switch opens. when the magnet leaves,the switch will close

INSTALLATION INSTRUCTIONS

1:The door and window magnet should be installed at the closed position of the door/windo

2:The magnet part is installed on the movable door and window. The switch part is installed on the fixed door and window frame. The switch part and the magnet part should be aligned as much as possible.

3:The door magnet should be away from the strong magnetic field interference source such as a transformer. Otherwise, the working characteristics of the door magnet will be changed and possible wrong actions.

4:Magnetic Contact sensors can be added to an existing wired Alarm Systems.

5:They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example.In the event of no contact the alarm will be activated immediately.Magnetic Contacts are perfect for use in situations where it is not suitable to fit PIR sensors, for example where there are pets or animals

6：Recommendations in application: wooden door, window, metal doors, gates and any other compatible application.

NOTE

1. The magnetic door switch must be installed according to the sensing distance.

2. It can only provide switch signals to devices and cannot directly load power or connect lights.

3. The door magnet should be kept away from strong magnetic field interference sources such as transformers. Otherwise, the working characteristics of the door magnet will change and incorrect operation may occur.

4. If there is no contact, the alarm will immediately activate.