Magnetic Door Window Contact Sensor Recessed 5pcs

Goods Descriptionalarm magnetic reed NOTE：This product is not suitable for .reed Great for use in family and factory window, door.recessed wired door window alarm These items are normally closed type designed, for use with alarm systemsPackage List5 x alarmsFeatures-Size: 2.3x1.9x1cm/0.9x0.75x0.39in-Color: Black-Material: Plastic + magnetic items- Fine polished, simple appearance, small size, easy to install window alarm sensors.-Product Info:Door and window contact sensor- This contacts works with any access control or alarm system available freezer door alarm.- Can identify the opening and closing states, and realize alarm door opening alarm.-Note: Normally closed signal (conducting when merging, disconnecting when opening the door, connecting the alarm host.) door window alarms- These door magnetic alarm are useful, practical, easy to install window sensors security.- Made of high-quality plastic and magnetic material, durable to use recessed wired door window alarm.

• Door and window alarm--the door magnet should be from the strong magnetic field interference source such as a ​,intelligent door magnetic alarm
• Door alarms for home security,--contacts, very practical and useful,garage door alarm
• Magnets for alarm sensors--magnetic operated by an applied magnetic field,Window Alarms
• Magnetic door alarm--easy to install, easy to use,security and anti-theft door blocker
• Security door --fits your needs and alert you of your home security,travel door alarm