Scicalife 5pcs plastic Recessed Magnetic Door Window Contacts Alarm Reed Switch (Black) Hasps


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Scicalife 5pcs plastic Recessed Magnetic Door Window Contacts Alarm Reed Switch (Black)

Description

This item are 5pcs plastic reed switches which are operated by an applied magnetic field. It is designed for use with alarm systems, great for use in family and factory window, door. etc. Easy to install and use.

Features

- Color: Black
- Material: Plastic+ magnetic items
- Size: 2. 3x1. 9x1cm/ 0. 9x0. 75x0. 39in
- Note: Normally closed signal ( conducting when merging, disconnecting when opening the door, connecting the alarm host. )
- contacts, very practical and useful.

Package Including

5 x switch alarms









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