Showing 17–32 of 736 results

  • alula DWS-LL LongLife Door and Window Sensor with Peel and S

    $39.53

    In stock

    Our Door/Window Sensors are a standard part of any job with industry-leading range and battery life, 5-year warranty and easy peel-and-stick installation. Save time with factory pre-enrolled options, configure at the office prior to installation, or enroll quickly on site.

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  • mini surface mount contact

    Honeywell Home 940WH Mini Surface Mount Magnetic Contact, 3/

    $20.03

    In stock

    Miniature size perfect for homes and offices
    Attractive cover keeps mounting screws and terminals screws hidden
    Complete with spacers and mounting screws

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  • replacement magnet

    Resideo 943WG-WH-M Replacement Magnet Only, White (10 pack )

    $91.12

    In stock

    Resideo 943WG-WH-M Replacement Magnet Only, White (10 pack )

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  • miniature magnetic contact

    Resideo 951WG-WH 3/8″ Diameter Miniature Press-Fit Mag

    $19.99

    In stock

    Standard gap: 1-1/4โ€“ the largest gap of any mini 3/8 contact
    12 leads are standard
    Switch Type: Form A (SPST) Reed

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  • Sale!

    Videofied IDC601 Wireless Door/Window Alarm Contact

    Original price was: $42.82.Current price is: $42.59.

    Only 14 left in stock

    • S2Viewยฎโ€” Spread Spectrum, Videofied, Interactive, AES Encrypted Wireless technology provides optimum signal integrity and security
    • Dual tamper function
    • Battery life – up to 4 years
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  • DSC Security WS4945 Wireless Alarm Door Window Contact Transmitter

    DSC WS4945 Wireless Door and Window Contact, 433 MHz

    $57.22

    In stock

    • Built-in reed switch
    • Normally closed external contact input
    • 1 lithium battery included
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  • Honeywell Ademco 958 Overhead Door Contacts

    Honeywell Ademco 958 Overhead Door Contacts

    $35.81

    In stock

    • Adjustable magnet with L bracket
    • 24″ (61cm) armored cable is standard
    • Standard gap: 2-3/8″ (60 mm) minimum
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  • door window contact

    DSC PG9303 PowerG Vanishing Wireless Door and Window Contact

    $55.39

    In stock

    • Suitable for a wide range of residential and light commercial environments
    • Near-invisible after installation, blending in with any dรฉcor
    • Battery life of up to 6 years (with typical use)
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  • door window sensor

    Elk ELK-6020 Two-Way Wireless Slim Line Door and Window Sens

    $58.70

    In stock

    • Compatible with ELK-M1XRFTWMย two-way wireless transceivers
    • One built-in reed switch
    • Front and back tamper option
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  • 5815 – Honeywell Wireless Door Window Transmitter

    $38.83

    In stock

    • New sleek design
    • Transmits supervisory, tamper and low battery messages
    • Two reed switches
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  • PROSIXMINI Proseries Six Wireless Mini Flat Door/Window Sens

    $39.59

    In stock

    • Support SiX Two-Way Wireless Technology
    • System Health Check feature
    • Device can be configured remotely
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  • DSC PG9922 PowerG Wireless Glass Break Detector, Wall or Cei

    $111.24

    In stock

    • Glass break detection of plate, tempered, laminated and wired glass
    • Detection rage up to 20ft (6m)
    • Visible link quality indication shown on the device
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  • Honeywell Ademco 5816WMWH White Door/Window Transmitter w/Ma

    $33.65

    In stock

    • Includes: Transmitter, CR123 Battery, Magnet
    • For use with Lyricโ„ข Controller
    • Application: Security System Sensors
    • Approvals and Standards: CSFM Listed, UL Listed, 985 (Residential Fire), UL Canada Listed, UL Listed (Residential Burglar)
    • Ambient Relative Humidity (Max): 95% Non-condensing
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  • Honeywell Ademco 958-2 Overhead Door Adjustable Magnetic Con

    $56.24

    In stock

    Epoxy sealed for protection from moisture and impact
    Rugged โ€œShock Absorberโ€ design protects reed against flex or damage to housing
    Standard gap: 2-3/8″ (60 mm) minimum

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  • ELK Mini Window Sensor White

    $73.62

    Only 11 left in stock

    • One built-in reed switch
    • Compatible with ELK-M1XRFTWMย two-way wireless transceivers
    • Available in white (ELK-6021) and brown (ELK-6021BR)
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  • 2GIG DW10e-345 eSeries Encrypted Thin Door/Window Security S

    $29.52

    In stock

    Encrypted Protocol for Enhanced Security
    For narrow applications, sensor is only 3/4″ Wide
    Fully supervised

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