We’ve spent hundreds of hours researching and comparing Window Magnetic Sensor of all specifications to find the best one for any need (or budget). Here are the results.

The Best Window Magnetic Sensor of 2020 – Top Rated & Reviewed

2,335 Reviews Scanned

Rank No. #1
UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5)
  • Switch Type: NC (Normal closed type)
  • This Contact Works with Any Access Control or Burglar Alarm System Available
  • This contact can't connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V
  • Great for use in family and factory window, door. etc.
  • 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).
SaleRank No. #2
uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs
  • [Specification] - Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm
  • [Dimension] - Cable Length: 25cm/9.8"; Total Size: 17mm x 10.6mm/0.67" x 0.42" (L*D)
  • [Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ).
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!
Rank No. #3
Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
  • 100% New and high quality
  • Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more!
  • Magnetic sensor switch detects your door or window.Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box),tear the double-sided adhesive on the backpack, paste the door knob alarm on your target position.
  • Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner
  • Super suitability and stability.
Rank No. #4
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
  • Product Information: Product name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic
  • Specification: Contact Type: NC, Hole Dia.: 5.8mm, Actuation Distance: 8mm±18mm
  • Sizes: 64*12.*12mm and 64*20*12mm(L * W * H)
  • NC Type: NC means normally closed. If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected.
  • Applications: It is suitable for magnetic windows, doors, cabinets etc. Ideal for door, window security.
Rank No. #5
BNYZWOT RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White 5 Pair
  • Product Name: Magnetic Door Switch Model: RC-33
  • Contact Type: NC (Normally Closed) Actuation Distance: 18mm ± 5mm Max. Current: 0.5A
  • Max. Contact Power: 10W Working Voltage: DC0-100V
  • Each Size(Approx): 17 x 10.6mm / 0.67 x 0.42-inch (H*D) Cable Length(Each): 25cm / 9.8-inch Material: ABS (Housing) Wire Type: 1007UL#24AWG
  • Color: White Net Weight: 40g Package Content: 5pcs x Magnetic Door Switch
Rank No. #6
Door Window Alarms Wireless 10 Pack for Home Security,Sanjie 120DB Sliding Window Pool Alarm Magnetic Sensors for Kids, Elderly Dementia Patients
  • [WINDOW ALARMS FOR HOME]: window and door alarm with 120 DB door security alarm loud will warn you when doors or window opens, as a Personal security window/door alarm, it can prevent your kids from leaving the room without any inform.
  • [POOL DOOR ALARMS FOR HOME]: Pool door alarms will alarm immediately when your kids opens the swimming pool door or window. A perfect security window/door alarm for you (IT AUTOMATICALLY STOPS ALARM AFTER 30 SECONDS)
  • [EASY TO INSTALL]: Size of door sensor alarm:0.80 *3*1.50 inches. Tear off the tape behind the alarm sensors and tape on the windows or doors, No wiring needed! No screws needed! Gap between the door alarm within 0.6 inch.Good choice for your office ,apartment, garage, etc
  • [LONG STANDBY TIME]:Our window alarms operated by 3* Battery ,usually, it can standby for 12 months. Low battery indicator will inform you to change battery.(IT ONLY FITS ON FLAT DOOR AND FRAME.)
  • [DOOR ALARMS FOR DEMENTIA PATIENTS]: Alarm open door can for dementia Patients. Sanjie provides 100% customer satisfaction service and 24*7 customer support.
Rank No. #7
Wireless Home 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)
  • ✔Magnetic sensor switch detects entry protecting your home or office whether you are in or out.
  • ✔Prevent kids and babies going out the house without notice. Protect your house from thiefs break in your house's windows and doors.
  • ✔Super environmental suitability and stability and Dustproof and insect prevention
  • ✔Perfect for: - Home - Office - Sheds - Garages - Motorhomes - Boats - Vehicles - Outbuildings
  • ✔Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, and more!
SaleRank No. #8
WEIJ 10Pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White
  • 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!
  • Actuation Distance: 15-25mm ; Max. Current: 0.5A; Max. Contact Power: 10W ; Max.Working Voltage: 100V;
  • Contact Type: NC (Normally Closed) ;Material: ABS
  • Package Content: 10pcs x Magnetic Door Switch
  • These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.
Rank No. #9
Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB, Pool Door Alarm for Kids Pack of 4
  • Loud 110dB-enough to scare the intruder or notify neighbors.Prevent Robbery.
  • CHIME MODE - is ideal to prompt you when child, guests or dementia patients are opening the door.
  • ALARM ACTIVATED - when the parts are separated, recombined stops.
  • EASILY INSTALLATED - in pool doors/refrigerator/drawer/freezers/interior door for kids safety. battery can last longer.
  • 100% SATISFACTION SERVICE - 3xLR44 batteries included, also Low battery indicator.HENDUN provides 100% customer satisfaction guarantee, 1-year warranty and 24*7 customer support.
SaleRank No. #10
10 Sets Pack of Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape
  • Suitable for wooden/glass/plastic material doors
  • For home burglar alarm system, important kits of home security.
  • Screws terminal connection inside , easy for mounting and connecting to systems.
  • Surface mounted with double side tape , ≥ 15mm operation gap
  • NC type , normally closed : Switching OFF when door is opened

Last update on 2021-03-28 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Window Magnetic Sensor to Buy Now


Why You Should Buy Best Window Magnetic Sensor from Amazon

Amazon is not the only store that sell Window Magnetic Sensor. However, there are several compelling reasons why you should buy Window Magnetic Sensor from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Window Magnetic Sensor Personal

Amazon is very good at making recommendations of Window Magnetic Sensor based on your search history. From time to time, they will even show you discounted prices on Window Magnetic Sensor that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Window Magnetic Sensor to your cart and go through a multi-step checkout process, or you can buy Window Magnetic Sensor with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Window Magnetic Sensor, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Window Magnetic Sensor Images and Descriptions

In addition to still images, many of Amazon’s Window Magnetic Sensor have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Window Magnetic Sensor descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Window Magnetic Sensor. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Window Magnetic Sensor (with Price and Reviews)

Although most Window Magnetic Sensor are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Window Magnetic Sensor:

(1) Window Magnetic Sensor Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Window Magnetic Sensor should be in line with its value. You can compare Window Magnetic Sensor reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Window Magnetic Sensor is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Window Magnetic Sensor materials differ from manufacturer to manufacturer. Consider where and how you will be using your Window Magnetic Sensor to determine if one material would be better than another.

(4) Size

Like most products, Window Magnetic Sensors come in various sizes. Do you need a large Window Magnetic Sensoror a small one? Think about where you will use your Window Magnetic Sensor in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Window Magnetic Sensors also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Window Magnetic Sensor would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Window Magnetic Sensor will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Window Magnetic Sensor you purchase may affect its durability.

(7) Storage

Will you need to store your Window Magnetic Sensor? If so, you should consider the size and weight of the Window Magnetic Sensorto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Window Magnetic Sensor will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Window Magnetic Sensor. It is hard to know exactly how an Window Magnetic Sensor will perform until you get it home and try it out.

(9) Warranty

Make sure the Window Magnetic Sensor you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.