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

$15.99 $8.75

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Mitaki-Japan Eldrstp Door Stop Alarm Burlgar Alarm Security

Mitaki-Japan Eldrstp Door Stop Alarm Burlgar Alarm Security

Stainless steel cover.3 Sensitivity levels and extra loud alarm.Alarm requires one 9-volt battery not included .Dimesions 1-3/4 x 1-1/2 x 5-1/2 .Gift boxed. more

$11.10 $8.22

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Clarity 52510-100 AL10 AlertMaster Visual Alert System w/ Door Knocker, Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

Clarity 52510-100 AL10 AlertMaster Visual Alert System w/ Door Knocker, Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

The Clarity AlertMaster AL10 is part of our Visual Alert System for the deaf or people with profound hearing loss. The AL10 alerts you to telephone calls and the doorbell, and has optional accessories that can alert you to an audio alarm, a crying baby... more

$149.99 $126.99

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i-Market

(100+)
Clarity 52510-120 AL10 AlertMaster Visual Alert System w/ AL12 Alert Master Remote, Door Knocker, Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

Clarity 52510-120 AL10 AlertMaster Visual Alert System w/ AL12 Alert Master Remote, Door Knocker, Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

The Clarity AlertMaster AL10 is part of our Visual Alert System for the deaf or people with profound hearing loss. The AL10 alerts you to telephone calls and the doorbell, and has optional accessories that can alert you to an audio alarm, a crying baby... more

$179.99 $157.99

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i-Market

(100+)
Ideal Security Sk605 Door Window Entry Alarm With Chime

Ideal Security Sk605 Door Window Entry Alarm With Chime

Entry alarm with chime detects entry and instantly chimes or alarm sounds.Scare off possible intruders also you know of unauthorized entry great for childproofing.Easy to install. Alarm/Chime option 105 dB .Add SK619 window and door contacts to extend... more

$23.48 $17.39

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Ideal Security Sk621 Wireless Door Or Window Sensor With Alarm

Ideal Security Sk621 Wireless Door Or Window Sensor With Alarm

Wireless door or window sensor with alarm.Can be used as a standalone alarm has a built in 105dB alarm or you can link it to any of our wireless receivers and auto dialer.Has a 190 ft. range to receiver.Double detection Magnetic and vibration... more

$46.58 $34.50

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Clarity 52510 AL10 AlertMaster Visual Alert System w/ Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

Clarity 52510 AL10 AlertMaster Visual Alert System w/ Door Bell and Knock Sensor, Alarm Clock with Snooze and Vibrating Alert, Security Light Control & Simple Set Up

The Clarity AlertMaster AL10 is part of our Visual Alert System for the deaf or people with profound hearing loss. The AL10 alerts you to telephone calls and the doorbell, and has optional accessories that can alert you to an audio alarm, a crying baby... more

$149.99 $126.99

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i-Market

(100+)
GE NX650 Wireless Door Window Sensor

GE NX650 Wireless Door Window Sensor

With The Iti Door/Window Sensor, Alarm Systems Can Be Easily Installed That Provide The Highest Level Of Intruder Protection Available For A Home Or Business. These Sensors Monitor Doors, Windows, Cabinets, Or Anything That Opens And Closes. When Used more

$20

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Jobar International jobar U.s. Patrol Alarm Security

Jobar International jobar U.s. Patrol Alarm Security

Secure your home from intruders with this security device, which alerts you to an intrusion with sound that also surprises possible intruders, while barring your door from entry. more

$19.99

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Streetwise Security Products Intermatic Magnetic Contact Alarm with Keypad (Keypad Alarm) (ABS)

Streetwise Security Products Intermatic Magnetic Contact Alarm with Keypad (Keypad Alarm) (ABS)

This compact, easy to install, magnetic contact alarm made by Intermatic (a recognized leader in the security industry) can be used on doors, windows, cabinets or anything that opens and closes. It is an ideal security device for home, store, office,... more

$15.79

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Overstock.com

(600,000+)
SkyLink Wireless Garage Alarm/Alert Set GM-434RTL

SkyLink Wireless Garage Alarm/Alert Set GM-434RTL

This easy to install Skylink Garage Door Monitor notifies you when a garage door is open with both a piercing 95dB siren, as well as visual indicators. more

$25

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Streetwise PRO-TEC Door Alarm (White/Chrome)

Streetwise PRO-TEC Door Alarm (White/Chrome)

Transform any ordinary door knob into a highly sensitive burglar alarm with the Streetwise PRO-TEC Door Alarm. The touch sensor will detect a person touching the outside doorknob and will instantly emit a loud 110 dB alarm to alert you to the attempted... more

$16.79

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Overstock.com

(600,000+)
Alarm Shield - by Oplink Security

Alarm Shield - by Oplink Security

Plug-and-play wireless security system Expand the system to fit your security needs 24/7 email and push notification alerts. Mobile app available for iOS, Android and Microsoft Multi-user access + emergency contacts can receive alerts. Includes 2 door/... more

$148.99

FREE shipping

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Overstock.com

(600,000+)
Improvements Mini Window or Door Alarm

Improvements Mini Window or Door Alarm

The Mini Window or Door Alarm is ideal for travel! Add an extra level of security and peace of mind when traveling by taking the Mini Window or Door Alarm along with you. Just place this magnetic sensor entry alarm discreetly on a window, sliding door,... more

$16.99

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Improvements

(100,000+)
Touch screen alarm host with built-in video module smart home automation kits

Touch screen alarm host with built-in video module smart home automation kits

Security Alarm Panel for home, office safety with GSM & PSTN double network and touch screen LCD displayer. With alarm information sending method, doorbell audio, sleep mode set etc. With built-in video module and can insert SD card to monitor on line. more

$108.00

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Smanos W100 Touch Panel Alarm System with Motion Detection, Built-in 110 dB Alar White W100 Security

Smanos W100 Touch Panel Alarm System with Motion Detection, Built-in 110 dB Alar White W100 Security

Features: The Smanos W100 alarm system is a sleek looking dual network alarm with touch screen that supports both Wi-Fi and PSTN (landline phones) W100 includes: Main Unit, 2 Remotes, 1 PIR Motion Sensor and 1 Door/Window Sensor The fully expandable... more

$242.84 $169.99

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HandleSets.com

(10,000+)
2 Pcs MJ-32 Alarm Security Magnetic Door Window Contact Reed Switch NO

2 Pcs MJ-32 Alarm Security Magnetic Door Window Contact Reed Switch NO

Switch Type: NO(normal open type), circuit is connected when magnet is near the switch. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window,... more

$10.01

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GE 60-670-95R Door Sensor

GE 60-670-95R Door Sensor

$35

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