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    10x Security Surface Mount Magnetic Door Contact Switch Set 1" Gap Al-gri-4352

    10x Security Surface Mount Magnetic Door Contact Switch Set 1" Gap Al-gri-4352

    Product Features Surface Mount Switch Set Magnetic Contact, 1" Gap, w/Covers and Spacers, White This versatile series sets the industry standard for commercial and light industiral applications. This series offers a standard gap of 1 inch, and includes... more

    $37.95

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    10) L.e.d. Security Magnetic Door Window Alarm Contact Reed Switch Light On Open

    10) L.e.d. Security Magnetic Door Window Alarm Contact Reed Switch Light On Open

    This is a 10 pack of MAL surface mount with 18 inch side mount wire leads switch, contact and magnets.THIS DOES NOT HAVE sticky tape but for an additional fee we can send some with it. Check out my other items ! Contact Rating : 10W/VA Switching... more

    $26.76

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    30 For Led Security Magnetic Door Window Alarm Contact Reed Switch

    30 For Led Security Magnetic Door Window Alarm Contact Reed Switch

    This is a 30 pack of MAL stick on surface mount with 18 inch side mount wire leads switch, or contact and magnets. Check out my other items ! Contact Rating : 10W/VA Switching Voltage (Max.) : 200 VDC Switching Current (Max.) : 0.5 Amp. Contact... more

    $75.44

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    Stainless Steel Wired Security Rolling Door Magnetic Switch Contact Alarm for Roller Shutter Gate

    Stainless Steel Wired Security Rolling Door Magnetic Switch Contact Alarm for Roller Shutter Gate

    Description: Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc. The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm. Sharp alarm will be heard when someone opens... more

    $10.63

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    5pcs Recessed NO Security Alarm Door Window Contacts Magnetic Switch

    5pcs Recessed NO Security Alarm Door Window Contacts Magnetic Switch

    Description: Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems.... more

    $7.40

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    Mace 80374 Wired Magnetic Contact Switch

    Mace 80374 Wired Magnetic Contact Switch

    Use these magnetic contacts at any potential point of entry to your home or office. Wire to your Mace Wireless Home Security System or other security system. Includes mounting screws and tape, and 55-foot spool of 2-conductor wire. more

    $9.99

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    5 Sets NO Normally Open Magnetic Security Door Window Contact Reed Switch

    5 Sets NO Normally Open Magnetic Security Door Window Contact Reed Switch

    Description: Screw surface mount contact, white ABS housing. 27cm long wire lead that is side mounted. Comes with twenty installation screws. Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the... more

    $9.50

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    3pcs Normally Open Recessed Security Alarm Door Magnetic Contacts Reed Switch

    3pcs Normally Open Recessed Security Alarm Door Magnetic Contacts Reed Switch

    Description: Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems.... more

    $8.22

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    3 Pcs NO Door Window Contact Magnetic Reed Switch Alarm Security 15-25mm

    3 Pcs NO Door Window Contact Magnetic Reed Switch Alarm Security 15-25mm

    Specifications: Description: NO type designed for use with alarm systems. Great for use in family and factory window, door. etc. more

    $8.03

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    10x Security Door Contact Switch Set W/ Rare Earth Magnet Press Fit Al-gri-4360n

    10x Security Door Contact Switch Set W/ Rare Earth Magnet Press Fit Al-gri-4360n

    Product Features N Series Switch Set Magnetic Contacts, Rare Earth Magnets w/ Press Fit Contacts - 10 Pack Our Might Mag contacts will assist in resolving the installer's problem of drilling into the new thinner vinyl windows. These rare earth magnets... more

    $45.95

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    10x Mini Security Magnet Door Contact Switch No Leads 3/8" Al-gri-4351-ms

    10x Mini Security Magnet Door Contact Switch No Leads 3/8" Al-gri-4351-ms

    Product Features Miniature "Shortie" Recessed 3/8" Diameter Switch Set Magnetic Contact, 1/2"+ Standard Gap, .930" length - 10 Pack The recessed "shortie" switch set is designed for applications where a 3/8" press to fit set is needed, but space... more

    $44.95

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    10x Security Magnet Door Contact Switch Set W/ Leads 3/8" Std Gap Al-gri-4346

    10x Security Magnet Door Contact Switch Set W/ Leads 3/8" Std Gap Al-gri-4346

    Product Features Switch Set Magnetic Contact, 3/8" Recessed, 1" Plus Standard Gap, 12" leads, White - 10 Pack Are you installing a security system or adding door/window sensors? Our economical and reliable sensors will help you along! With a wide gap... more

    $25.75

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    Security Wired Screw Mounted Metal Gate Door Magnetic Switch Alarm

    Security Wired Screw Mounted Metal Gate Door Magnetic Switch Alarm

    Description: Basic magnetic switch for detecting door or window openings Easy to use screw terminals for alarm contact connection. Switch Type: NO(normal open type), circuit is connected when magnet is near the switch. more

    $10.69

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    United Security 250 Twist-Loc Gap Magnetic Contact, 0.5"

    United Security 250 Twist-Loc Gap Magnetic Contact, 0.5"

    Compact, precision machined sensor is threaded for easy installation - one twist and it's locked in place. Closed circuit sensor with 24" leads. more

    $15.82

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    United Security 150-SP Stubby Press Fit Hidden Magnetic Contact

    United Security 150-SP Stubby Press Fit Hidden Magnetic Contact

    The United Security Products 150-SP Stubby Press Fit Hidden Magnetic Contact is a powerful, reliable magnetic contact that easily installs to monitor a door, window, or other opening. more

    $8.88

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    Screw Mount Household Window Door Contacts Magnetic Switch Alarm System Security

    Screw Mount Household Window Door Contacts Magnetic Switch Alarm System Security

    Features: DC 110V rated voltage, 0.5A rated current, 5mm mounting hole diameter. Suitable to used on the windows or door of apartment, hotel, office, etc. The entry alarm adopts magnetic sensor design to warn you if the strange entry from the windows... more

    $10.94

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    3 x Normally Open Wired Security Alarm Door Window Magnetic Contacts Reed Switch

    3 x Normally Open Wired Security Alarm Door Window Magnetic Contacts Reed Switch

    Description: Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems.... more

    $7.96

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    Security Store Garage Door Magnetic Reed Switch Contact Sensor Alarm Metal

    Security Store Garage Door Magnetic Reed Switch Contact Sensor Alarm Metal

    Specification: Description: Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc. Just part of syerstern, must be work with other part. Switch Type: NO(normal open type), circuit is connected when magnet is near the... more

    $10.47

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    Skylink Household Alert WD-318 Door/Window Alert Kit

    Skylink Household Alert WD-318 Door/Window Alert Kit

    Door/window sensor set. Magnetic type contact sensor. Notifies you when your door or window is open. Supervised Sensor: monitors the sensors and their battery condition automatically. GM-318R can work with up to 4 sensors. (additional sensors sold more

    $19

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    IDEAL Security Home Security Alarms Wire Contact Sensor Kit SK619

    IDEAL Security Home Security Alarms Wire Contact Sensor Kit SK619

    Free Shipping on Over 500K Items!

    Shop for Tools & Hardware at The Home Depot. Contact sensor set Protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be... more

    $12.99

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    HomeDepot.com

    (100,000+)
    Insteon Security Sensors Open/Close Sensor 2843-222

    Insteon Security Sensors Open/Close Sensor 2843-222

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. Insteon Open/Close Sensor is a magnetic contact sensor that wirelessly controls lights and appliances throughout your house. When magnetic contact is broken, such as a door or window being opened, Open/Close... more

    $32.95

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    HomeDepot.com

    (100,000+)
    Visonic MCT-302 Wireless Transmitter

    Visonic MCT-302 Wireless Transmitter

    For: All Visonic PowerCode Wireless Panels and Receivers more

    $40

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    Streetwise Security Products Intermatic Magnetic Contact Alarm With Keypad

    Streetwise Security Products Intermatic Magnetic Contact Alarm With Keypad

    This alarm device attaches to anything that can be opened and closed and emits a loud alarm. Provide your home or business with the security you need. more

    $16.00

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    Overstock.com

    (600,000+)
    Ideal Security Wire Contact Sensor Alarm

    Ideal Security Wire Contact Sensor Alarm

    Two pairs of magnetic contacts and 720" of connecting wire for alarm extension.Up to six sets of contacts can be connected in a line. Year warranty.Overall Height - Top to Bottom: 0.59".Overall Width - Side to Side: 2. 7".Overall Depth - Front to Back:... more

    $32.27

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    Ideal Security Wireless Slim Door / Window Contact Alarm

    Ideal Security Wireless Slim Door / Window Contact Alarm

    Must be linked with one of Ideal auto dialers or alerts.Quick setup.Double detection: Magnetic and vibration sensors. Year warranty.Has a 2280" (80 meter) range to receiver.Overall Height - Top to Bottom: 4. 3".Overall Width - Side to Side: .8... more

    $39.81

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    Mini Magnetic Contact Alarm And Chime (4 Pack)

    Mini Magnetic Contact Alarm And Chime (4 Pack)

    Use these magnetic sensors near doors, windows and other entry points to keep your home or business safe. Utilizes magnetic contacts to detect opening of doors, windows and anything else. more

    $25.00

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    Overstock.com

    (600,000+)
    Ideal Security Contact Sensor Sets

    Ideal Security Contact Sensor Sets

    Contact sensor set Protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be connected in line Contacts can be used with Ideal... more

    $13.99

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    Sears.com

    (10,000+)
    Directed Electronics Normally Open/closed Magnetic Switch

    Directed Electronics Normally Open/closed Magnetic Switch

    The Directed Electronics 860 open/closed magnetic switch provides an easy and simple way to keep your vehicle secure. Features normally closed and normally open contacts for convenient operation. More powerful for theft deterrence. This switch is a... more

    $7.49

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    Ge Magnetic-contact Universal Alarm With Keypad

    Ge Magnetic-contact Universal Alarm With Keypad

    "Easy Set Upno Wiring Needed 100db Alarm Weather-resistant To 0f Convenient Keypad Features Programmable 4-digit Security Code Alarm Delay Settings For 1sec, 10sec, 20sec, Or 30 Sec One Year Battery LifeIncludes Low Battery Indicator Light & Mounting... more

    $18.99

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    "MC4 Recessed Magnetic Contact, 3/4"" dia. SPDT"

    "MC4 Recessed Magnetic Contact, 3/4"" dia. SPDT"

    "Door Status Sensors Magnetic door contacts and electromechanical ball switch assemblies provide a means of monitoring door status." more

    $30.00

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    Swann SW351-MD2 Window and Door Magnetic Alarms - 2/Pack

    Swann SW351-MD2 Window and Door Magnetic Alarms - 2/Pack

    Security accessories type: Window and door magnetic alarms. Power requirements: 8 x LR44 button cell batteries (6 VDC each alarm) more

    $13

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    Swann SW351-MDA Magnetic Window/Door Alarm

    Swann SW351-MDA Magnetic Window/Door Alarm

    Security accessories type: Magnetic window or door alarm. Siren volume: > 110 dB, siren duration: 60s (approx.) more

    $8

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    Ideal Security Wire Contact Sensor Alarm WYF078277443982

    Ideal Security Wire Contact Sensor Alarm WYF078277443982

    Protects additional windows and doors when added to an alarm system. Two pairs of magnetic contacts and 720in of connecting wire for alarm extension more

    $26.84

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    TECHKO Home Security Alarms Mighty Mini Entry Alarm Grays S080K

    TECHKO Home Security Alarms Mighty Mini Entry Alarm Grays S080K

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. Techko's magnetic entry alarm is excellent for windows, sliding doors and cabinet protection. The alarm has a high dB output with an On/Off switch operation. Excellent for travelers. Color: Grays. more

    $8.33

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    HomeDepot.com

    (100,000+)
    Jasco Products GE Wireless Window Alarm - 56789

    Jasco Products GE Wireless Window Alarm - 56789

    GE 56789 Window Or Door Alarm 4 LR44 Batteries. more

    $5

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    Ge 45115 Personal Security Window/Door Alarm (2 Pack)

    Ge 45115 Personal Security Window/Door Alarm (2 Pack)

    • Alarm sounds when magnetic contact is broken • On/off switch • Easy to install • No wiring necessary • Low-battery test button & light • 2 pk more

    $32.09 $21.60

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    Mace 80356 Door/Window Sensor

    Mace 80356 Door/Window Sensor

    Wireless RF Transmission Upto 300 ft - For: Wireless Home Security System more

    $19

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    Mace Wireless Door-window Sensor For The Mace 80355 Wireless Home Security System

    Mace Wireless Door-window Sensor For The Mace 80355 Wireless Home Security System

    For use with Mace 80355 Wireless Home Security systemAlarm activates when door or window opens Wireless RF transmission up to 300'Integrated status LED for magnetic contact open detection and low battery warningSwitch selectable feature for standalone... more

    $29.99

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    More information about Home Security

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