5pcs Recessed Magnetic Reed Door Window Contact Sensor

Goods Descriptiondoor access control Great for use in family and factory window, door.electrical equipment NOTE：This product is not suitable for .Security Door These items are normally closed type designed, for use with alarm systemsPackage Include5 x alarmsCharacteristics-Size: 2.3x1.9x1cm/0.9x0.75x0.39in-Color: Black-Material: Plastic + magnetic items- This contacts works with any access control or alarm system available embedded magnets.- These door magnetic alarm are useful, practical, easy to install personal alarm.-Product Info:Door and window contact sensor- Made of high-quality plastic and magnetic material, durable to use electrical contacts for doors.-Note: Normally closed signal (conducting when merging, disconnecting when opening the door, connecting the alarm host.) magnetic door - Fine polished, simple appearance, small size, easy to install door and window sensors.- Can identify the opening and closing states, and realize alarm door opening alarm.

• Window alarms:fits your needs and alert you of your home security,upgraded portable door lock stop alarm
• Reed :circuit is connected when magnet is closed,door alarms for home security,
• Magnetic door :smaller sensors to seamlessly blend into your home,magnetic door closing system
• Recessed door contact:this contacts works with any access control or alarm system available,door opening alarm
• Magnetic safety door closing system:magnetic operated by an applied magnetic field,door and window alarm