5pcs Recessed Magnetic Reed Security Alarm Window Contact Sensor Black

Goods Informationwindow sensors security Easy to install and use.door access control etc.alarm magnetic reed This item are 5pcs plastic reed which are operated by an applied magnetic field.electrical contacts for doors It is designed for use with alarm systems, great for use in family and factory window, door.window alarm sensors NOTE：This product is not suitable for Characteristics-Size: 2.3x1.9x1cm/0.9x0.75x0.39in-Material: Plastic + magnetic items-Color: Black- contacts, very practical and useful door and window sensors.-Product Info:Door and window contact sensor- Designed for use with alarm systems electrical contacts for doors.- Easy to install, easy to use travel door alarm.- Magnetic operated by an applied magnetic field door window sensors reed .- Circuit is connected when magnet is closed Window Alarm .-Note: Normally closed signal (conducting when merging, disconnecting when opening the door, connecting the alarm host.) door magnetsPackage Include5 x alarms

• Door magnets--magnetic operated by an applied magnetic field,reed
• Door access control--circuit is connected when magnet is closed,door security devices
• Door window sensors reed --smaller sensors to seamlessly blend into your home,door alarms for home security,
• Door sensors home security--can identify the opening and closing states, and realize alarm,door and window alarm
• Magnetic alarm --this contacts works with any access control or alarm system available,door window alarms