5pcs Door Alarm Magnetic Reed Contact Sensor for Security Systems

Features-Color: Black-Material: Plastic + magnetic items-Size: 2.3x1.9x1cm/0.9x0.75x0.39in- The door should be from the magnetic field source such as a intelligent door magnetic alarm.- Designed to do embedded in door or window frame in door or window frames door and window alarm-Product Info:Door and window contact sensor- Smaller sensors to seamlessly blend into your home window alarm sensors.- The product designed great for use in family and factory window, door. etc Window Alarms.- Fits your needs and alert you of your home security door opening alarm.-Note: Normally closed (conducting when merging, disconnecting when opening the door, connecting the alarm host.) door handle vibration alarmGoods DescriptionWindow Alarms NOTE：This product is not suitable for .Security Door They are ideal for mounting on wooden doors or .upgraded portable door lock stop alarm This item is 5pcs pre- door magnetic alarms, which are used indoors and outdoors for an attractive installationPackage List5 x alarms

• Door and window sensors:designed to do embedded in door or window frame in door or window frames,magnets for alarm sensors
• Door window sensors reed :fine polished, simple appearance, small size, easy to install,Security Door
• Window alarms:made of high-quality plastic and magnetic material, durable to use,window alarm sensors
• Door access control:magnetic operated by an applied magnetic field,door alarms
• Door security devices:designed for use with alarm systems,reed