5pcs Embedded Window Contact Sensor Magnetic Reed Alarm

Characteristics-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.) Recessed Door Contact-Product Info:Door and window contact sensor- Magnetic operated by an applied magnetic field magnetic safety door closing system.- contacts, very practical and useful electrical contacts for doors.- Circuit is connected when magnet is closed door and window alarm.- Designed for use with alarm systems reed .- Easy to install, easy to use window sensors security.Goods Descriptionelectrical contacts for doors This item are 5pcs plastic reed which are operated by an applied magnetic field.door alarms when opened Easy to install and use.Recessed Door Contact NOTE：This product is not suitable for .door alarms It is designed for use with alarm systems, great for use in family and factory window, door.magnets for alarm sensors etcPackage List5 x alarms

• Door handle vibration alarm:designed for use with alarm systems,Window Alarms
• Electrical contacts for doors:magnetic operated by an applied magnetic field,window sensors security
• Window door sensors:can identify the opening and closing states, and realize alarm,door window sensors reed
• Magnets for alarm sensors:this contacts works with any access control or alarm system available,door access control
• Recessed wired door window alarm:fine polished, simple appearance, small size, easy to install,magnetic door