Showing 1–16 of 724 results

  • Standard gap 1-1/4" (32mm) Spaces, covers and screws included Cover conceals end of line resistor (EOL)

    Resideo 7939WG-WH MPS20 Surface Mount Magnetic Contact with

    $21.88

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  • mini surface mount contact

    940 – Ademco Surface Mount Contacts (White)

    $20.86

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  • replacement magnet

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

    $91.12

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  • miniature magnetic contact

    Honeywell 951WG-WH Stubby Recessed Magnetic Contact Switch

    $19.99

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  • DSC Security WS4945 Wireless Alarm Door Window Contact Transmitter

    DSC Security WS4945 Wireless Alarm Door Window Contact Trans

    $54.95

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  • Honeywell Ademco 958 Overhead Door Contacts

    Honeywell Ademco 958 Overhead Door Contacts

    $35.81

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  • door window contact

    DSC PG9303 – Wireless PowerG Door/Window Contact…

    $44.16

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  • door window sensor

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

    $58.70

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  • door window transmitter

    5815 – Honeywell Wireless Door Window Transmitter

    $40.45

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  • door and window sensor

    PROSIXMINI Proseries Six Wireless Mini Flat Door/Window Sens

    $41.24

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  • wireless glass break detector

    DSC PG9922- PowerG 915MHz Out Wireless Glass Break Detector

    $109.76

    Only 10 left in stock

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  • door window transmitter

    Honeywell Ademco 5816WMWH White Door/Window Transmitter w/Ma

    $35.05

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  • contact sensor

    Honeywell Ademco 958-2 Overhead Door Adjustable Magnetic Con

    $56.24

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  • window sensor

    ELK Mini Window Sensor White

    $73.62

    Only 3 left in stock

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  • encrypted door window contacts

    2gig Thin Encrypted Door Window Contact ETL Listed

    $30.12

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  • wireless door window sensor

    Honeywell SiXCT (Each) Two-Way Wireless Door / Window Sensor

    $54.99

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