4xx Alarm Accessories

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  • Zone Expander (For 451 Alarm)
    • 8% less than eBay

    Zone Expander (For 451 Alarm)

    Compatibility:  STS-4xx Series (Full List in Description)

    • Adds Up To 24 More Wireless Zones
    • Add Up to 8 Wired Zones

    • This zone expander will increase the number of zones that are allowed on our STS-451 panel. It can add an additional 24 wireless zones or an additional 8 wired zones to the alarm system.
    Not rated yet
    • $21.95
    21 Reward Points
  • Wireless Water/Flood Float Sensor
    • 7% less than eBay

    Wireless Water/Flood Float Sensor

    Compatibility:  STS-4xx Series (Full List in Description)

    • Detects Water At Certain Levels
    • Supports NO or NC Contact
    • Blue LED Light Indictor
    • 2-3 Year Battery Life
    Not rated yet
    • $13.99
    13 Reward Points
  • Wireless Water/Flood Contact Sensor
    • 9% less than eBay

    Wireless Water/Flood Contact Sensor

    Compatibility:  STS-4xx Series (Full List in Description)

    • Detects Water Level On Floors
    • Great Near Water Tanks or Basements
    • 2-3 Year Battery Life
    • Easy Installation
    Not rated yet
    • $19.95
    19 Reward Points
  • Wireless Vibration Sensor
    • 4% less than eBay

    Wireless Vibration Sensor

    Compatibility:  STS-4xx Series (Full List in Description)

    • Uses Standard watch battery
    • Ultra Thin Design
    • Blue LED Indicator
    • Adjustable Sensitivity
    Not rated yet
    • $11.49
    11 Reward Points
  • Wireless Vertical Angle Motion Detector
    • 8% less than eBay

    Wireless Vertical Angle Motion Detector

    Compatibility:  STS-4xx Series (Full List in Description)

    • Flat Wide Detection Beam
    • Mount Horizontally on Wall or Above Window
    • Uses Standard AA Batteries
    • Detection range of 30 feet
    Not rated yet
    • $23.99
    23 Reward Points
  • Wireless Transmitter - Normally Open
    • 4% less than eBay

    Wireless Transmitter - Normally Open

    Compatibility:  STS-4xx Series (Full List in Description)

    • Used for NC or NO Wired Contacts
    • 2-3 Year Battery Life
    • Easy Installation
    • Standard Negative and Positive Wire Connection
    Not rated yet
    • $11.49
    11 Reward Points
  • Wireless Transmitter - Normally Closed
    • 3% less than eBay

    Wireless Transmitter - Normally Closed

    Compatibility:  STS-4xx Series (Full List in Description)

    • Used for NC Wired Contacts
    • 2-3 Year Battery Life
    • Easy Installation
    • Standard Negative and Positive Wire Connection
    Not rated yet
    • $14.49
    14 Reward Points
  • Wireless Temperature Sensor - Freeze or Heat Alarm

    Compatibility:  STS-4xx Series (Full List in Description)

    • Set between 32°F to 176°F (0°C to 80°C)
    • Helps prevent broken pipes due to freezes.
    • or Helps prevent mildew & mold during air condition malfunctions.
    • 2 Year Battery Life
    Not rated yet
    • $19.95
    19 Reward Points
  • Wireless Smoke Detector
    • 7% less than eBay

    Wireless Smoke Detector

    Compatibility:  STS-4xx Series (Full List in Description)

    • Industry Standard Prevents False Alarms
    • 2-Year Battery Life
    • Adjustable Sensitivity
    • 95 db Buzzer
    Not rated yet
    • $26.95
    26 Reward Points
  • Wireless Rolling Garage Door Sensor
    • 9% less than eBay

    Wireless Rolling Garage Door Sensor

    Compatibility:  STS-4xx Series (Full List in Description)

    • Perfect for Industrial or Home Garage Doors
    • Mount on Floor or Wall
    • 2-3 Year Battery Life
    • Easy Installation
    Not rated yet
    • $19.95
    19 Reward Points
  • Wireless Outdoor Siren w/ Yellow Strobe, Solar Panel & Backup Battery
    • 11% less than eBay

    Wireless Outdoor Siren w/ Yellow Strobe, Solar Panel & Backup Battery

    Compatibility:  STS-4xx Series (Full List in Description)

    • Solar Charging Battery
    • 120db Siren
    • Yellow Strobe Light
    • No Power Adapter Required
    Not rated yet
    • $79.95
    79 Reward Points
  • Wireless Outdoor Siren w/ Red Strobe, 3 - 5 Year Battery
    • 13% less than eBay

    Wireless Outdoor Siren w/ Red Strobe, 3 - 5 Year Battery

    Compatibility:  STS-4xx Series (Full List in Description)

    • 115 db Siren
    • Red LED Strobe Light
    • Rechargeable 3 To 5 Year Back Up Battery
    • No Power Adapter Required
    Not rated yet
    • $69.95
    69 Reward Points
All Products: 112 of 89