Magnetic Window Sensors for Alarm Systems of 2025
Best Choice1
Clicked 33 times in the last monthGEGE Personal Security Window and Door Alarm, 4 Pack, DIY Protection, Burglar Alert, Wireless Chime/Alarm, Easy Installation, Home Security, Ideal for Home, Garage, Apartment and More, White, 45174
9.7 Simple to use9.5 Easy installation9.3 Battery DurationWhy we love it
Easy to install and use.
Affordable home security solution.
Portable for travel peace of mind.
9.7Exceptional
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Value for Money2
AiBestDoor Window Alarm, Burglar Alarm, Home Security Magnetic Sensor Anti-Theft Alarm (Home Alarm (12 pcs))
9.7 Noise level8.4 Easy installation8.4 Simple to useWhy we love it
Super loud alarm deters intruders effectively.
Easy stick installation with magnetic sensor switch.
Ideal for various locations, ensuring versatile security.
9.5Excellent
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3
WESUAWESUA 5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System
Main highlights- This contact works with any wired burglar alarm system or wired access control available
- Screw terminal surface mounted magnetic contacts
- Nice looking and easy install
- Mounting screws included
- Great for use in family and factory window, door, etc.
- Attractive cover keeps mounting screws and terminal screws hidden
9.2Excellent
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4
GAGALOR10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape
9.9 worth the money8.0 Easy installation8.0 Tech SupportWhy we love it
Easy to install
Fits many materials
Secure connection
9.1Excellent
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5
GAGALORGAGALOR 4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape
Main highlights- more than 1/2 inch operation distance , suitable for most door&windows
- With double side tape, easy for installation
- Suitable for 22-28 AWG wirs
- Reliable quality with white case
- Normally closed type(NC), switch closed when door is closed.
9.0Excellent
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6
QLXHBOTMagnetic Door Switch RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm White- (5 Sets)
Main highlights- Product Name: Magnetic Door Switch Model: RC-33
- Package Content: 5 x Magnetic Door Switch
- NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully!
- Material: ABS (Housing) Wire Type: 1007UL#24AWG,Color: White, Net Weight: 36g
- Actuation Distance: 15-25mm ; Max. Current: 0.5A; Max. Contact Power: 10W ; Max. Working Voltage: 110V
8.8Very Good
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7
UHPPOTEUHPPOTE Window Door Sensor Magnetic Contact Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact Security (5 Pack)
Main highlights- This contact can't connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V
- This Contact Works with Any Access Control or Burglar Alarm System Available
- Switch Type: NC (Normal closed type)
- NC means Normally Closed: When the magnet together, the circuit is conductive (light on); When the magnet separate, the circuit is not conductive (light off).
- Great for use in family and factory window, door. etc.
8.5Good
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8
CaoXiong6 Pack Window Alarm - Magnetic Sensor for Home Security, Pool Door Alarm for Kids Safety
Main highlights- SMART DESIGN :The alarm and magnetic stripe are separated more than 0.39inch(10mm), it keeps going off until you close door(make them connection) or turn it off(switch to the button "OFF").
- Prevent kids and babies going out the house without notice. Protect your house from thiefs break in your house's windows and doors.
- Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, and more!
- EASY INSTALLATION :Wipe the flat surface, peel off sticker, mount the alarm on door and magnetic stripe on door frame. Done!
- Big LOUD ALARM :door window sensors loud enough to detects entry, prevent kids and babies going out the house, protecting your home office, garage, dorm room, or apartment whether you are in or out. You can definitely hear it from another room to alert you. No worry the young children could mess with it, just have it up high where they can't reach it. Work on sliding doors, windows, drawer, fridge.
8.4Good
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9
Price XesHome Security Alarm System DIY Kit - Magnetic Sensor - Guardian Protector - Window Glass Vibration Security Burglar Alarm for Homes, Cars, Sheds, Caravans, Motorhomes - Price Xes (Set of 10)
Main highlights- Super environmental suitability and stability and Dustproof and insect prevention
- Prevent your family going out the house without notice. Protect your house from thiefs break in your house's windows and doors
- Perfect for: - Home - Office - Sheds - Garages - Motorhomes - Boats - Vehicles - Outbuildings
- Magnetic sensor switch detects entry protecting your home or office whether you are in or out
- Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, and more
8.3Good
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10
HIIXHCHIIXHC Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
9.5 Tech Support8.2 Detecting movement8.2 Noise levelWhy we love it
Easy stick installation and operation.
Super loud 90 dB alarm.
Strong adhesive for secure mounting.
8.2Good
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