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    Defender Additional Sensor for Wireless Driveway Alert System

    Defender Additional Sensor for Wireless Driveway Alert System

    Additional motion sensor detects motion up to 30 feet away from the sensor. It also includes an infrared heat system to prevent false alarms, along with zone control capability that lets you turn o...

    Northern Tool

    $44.99 $35.00

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    SC-1001 - Skylink Complete Wireless Alarm System

    SC-1001 - Skylink Complete Wireless Alarm System

    This kit comes with a complete wireless security system that can be installed in minutes. With the motion sensor and two door/window sensors, the system covers enough for a decent size house and with all the additional accessories and ...

    Home Security Store

    $147.95

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    Sunforce Smart Safe Cam Surveillance Camera and Light System, Model# 82346

    Sunforce Smart Safe Cam Surveillance Camera and Light System, Model# 82346

    The Smart Safe Cam is a unique surveillance system that includes a built-in passive infrared motion sensor that turns on the dual 60 Watt halogen lights when motion is detected, while simultaneousl...

    Northern Tool

    $199.99 $149.99

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    Skylink Motion Sensor, Model# PS434A

    Skylink Motion Sensor, Model# PS434A

    The Skylink motion sensor protects your home by detecting movement inside house. Monitors your front or back yard and driveway, too. Designed to work with Skylink Security systems notifies control ...

    Northern Tool

    $34.99

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    Add-On Sensor for Item# 333182

    Add-On Sensor for Item# 333182

    Expand your Wireless Alert System with additional transmitters use up to four with one receiver. Receiver distinguishes each transmitter with a different tone, so you know which area has someone sl...

    Northern Tool

    $44.99 $34.99

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    "QSDL503AD Q-See Wireless Auto-Dial Alarm System, Main Panel, Sensors & Siren"

    "QSDL503AD Q-See Wireless Auto-Dial Alarm System, Main Panel, Sensors & Siren"

    "Keep your home or business safe and secure with this reliable, cutting-edge wireless security system. The QSDL503AD Wireless Security Alarm System utilizes innovative technology with trouble-free wireless connections to provide security, ...

    All Security Electronics

    $199.99

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    Wireless Passive Intrared Motion Sensor for Air-Alarm System

    Wireless Passive Intrared Motion Sensor for Air-Alarm System

    SecurityMan Wireless Passive Intrared Motion Sensor for Air-Alarm System Extend the protection of your home or business with this wireless motion sensor for your SecurityMan Air-Alarm system. Since it's wireless, it's a cinch to integrate. ...

    HSN.com

    $24.95

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    Trademark Tools Strobe Security System - Easy Install - As Seen on TV

    Trademark Tools Strobe Security System - Easy Install - As Seen on TV

    Wireless Motion Sensor Security Alarm This is the new version of our Strobe Security Motion Detector W/Alarm. This totally wireless and easy to install PIR motion sensor with 120dB Alarm with strobe light and door chime is ideal for ...

    Sears.com

    (10,000+)

    $39.99

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    Driveway Patrol Infrared Wireless Motion Sensor Alarm

    Driveway Patrol Infrared Wireless Motion Sensor Alarm

    NEW IN BOX U.S. PATROL DRIVEWAY PATROL This wireless system employs advanced motion detection technology to instantly alert you when someone comes up your driveway or walk. Just mount the waterproof infrared transmitter outside and put the ...

    eBay

    $14.99

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    Skylink WT433 Door/Window Contact Sensor

    Skylink WT433 Door/Window Contact Sensor

    Extra Door / Window Sensor SAVE! Protects entrances and sends a signal to the control panel or dialer when contact is broke. Up to 100'range. Measures 3 3/8 x 1 1/2 x 1 1/8" and weighs 2 3/5 ozs. Order ONLINE Today! AVAILABLE SEPARATELY: ...

    at 8 sellers

    $12 to $28

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    10 Home Alarm System Window Door Switch Contact Sensor Fit Honeywell Ademco Dsc

    10 Home Alarm System Window Door Switch Contact Sensor Fit Honeywell Ademco Dsc

    Bag of 10 switches with magnets and leads. Easy Screws included (3/4 inch) Mounting Wide Operating Gap: Min 5/8" (16mm) min. 18" Long Wire Leads Normally Closed: When the magnet is next to the switch the loop is closed. When the magnet is ...

    eBay

    $16.25

    FREE shipping

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    GE Choice-Alert 45131 Wireless Door/Window Sensor

    GE Choice-Alert 45131 Wireless Door/Window Sensor

    Get $10 for every $50 spent + Free Shipping over $50

    This wireless door/window sensor is the perfect addition to your Choice-Alert alarm system.

    (175,000+)

    $29.99

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    5800PIR-RES - Ademco Honeywell Wireless Pet Immune Motion Sensor

    5800PIR-RES - Ademco Honeywell Wireless Pet Immune Motion Sensor

    Luckily, the 5800PIR-RES features just that. Able to detect animals as large as 80 lbs, this unit will ensure that your alarm system will be virtually immune to false alarms. Additionally, it's range is pretty impressive too!-able to ...

    Home Security Store

    $75.95

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    Version 1.4 Ge Iti Wireless Simon Xt Security System Alarm 80-632-3n-xt 1.4v

    Version 1.4 Ge Iti Wireless Simon Xt Security System Alarm 80-632-3n-xt 1.4v

    BRAND NEW GE ITI WIRELESS SIMON XT SECURITY QUICK ALARM PLATFORM NEW Simon XT Version 1.4 2013 ORDER NOW, SAME DAY SHIPPING!!!!! PRIORITY MAIL 2-3 DAYS NEW VERSION 1.4 can now use new carbon monoxide sensor and more names for your zones ...

    eBay

    $219.00

    FREE shipping

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    E-931-S33PRQ Seco-Larm Polarized Reflective Photoelectric Beam Sensor

    E-931-S33PRQ Seco-Larm Polarized Reflective Photoelectric Beam Sensor

    Universal AC/DC power supply (12~250 VAC/VDC). Weatherproof (IP66) construction for indoor/outdoor usage. Dark ON operation. Bracket and mounting hardware Included. LED alignment system.

    All Security Electronics

    $67.00

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    GE Choice-Alert 45133 Water Leak/Flooding Sensor

    GE Choice-Alert 45133 Water Leak/Flooding Sensor

    Get $10 for every $50 spent + Free Shipping over $50

    Add water leak detection to your Choice-Alert alarm system.

    (175,000+)

    $29.99

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    Svat Electronics PI1000 Digital Video Recorder

    Svat Electronics PI1000 Digital Video Recorder

    With Integrated Camera

    at 17 sellers

    $179 to $380

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    Visitor Door Bell Chime Motion Sensor Wireless Alarm For Home & Office 36 Sounds

    Visitor Door Bell Chime Motion Sensor Wireless Alarm For Home & Office 36 Sounds

    Entry Door Bell Chime Motion Sensor Wireless Alarm New Features: 1. 36 Different songs 2. Size: 100 x 65 x 36mm 3. Extend your home security system. 4. No Wiring is required, Plug-and-Play. 5. Keeps you aware of intruders or visitors ...

    eBay

    $6.75

    FREE shipping

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    E-100LB Seco-Larm Entry Level Alarm - RF Remote Controlled Vehicle Security System

    E-100LB Seco-Larm Entry Level Alarm - RF Remote Controlled Vehicle Security System

    2nd Channel Output. Pos./Neg. flip-flop door lock outputs. Shock Sensor Bypass from remote. Selectable door-lock timing (0.5 or 3.5 second). Programmable ignition-controlled door locking.

    All Security Electronics

    $47.00

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    KJB C1250C Color Teddy Bear Hidden Camera

    KJB C1250C Color Teddy Bear Hidden Camera

    C1250C24 Teddy Bear Camera Color 2.4Ghz

    at 3 sellers

    $179 to $230

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    More information about system sensor 4wire

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