STS-3xx Accessories

All Products: 112 of 42
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  • Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network
    • 12% less than eBay

    Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network

    Compatibility: Any Unlocked T-Mobile Compatible Device (Alarm List in Description)

    • Required to obtain cellular service through UltraMobile
    • Pre-paid account ($3/mo.)
    • Includes 100 mins, 100 texts, & 100 megs per month; (overages 10¢)
    • Includes activation & 30-days of service from date shipped
    Not rated yet
    • $36.95
    • Ebay/Amazon Price: $41.95, You save $5.00
    Limited number coming! Pre-order yours today! This item will ship in approximately 7-days if ordered today.
  • Universal Wireless Outdoor Siren w/ Power Adapter & Transmitter (For 315Mhz Alarms & All Non-433mhz Alarms.)

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

    • For 315Mhz or Non-433Mhz Alarms
    • 110 db
    • Comes With Power Adapter
    Not rated yet
    • $28.95
    • Ebay/Amazon Price: $0.00, You save − $28.95
  • Wireless Indoor Siren w/ Strobe

    Compatibility:  STS-3xx Series (Full List in Description)

    • 110 db Siren
    • Red Strobe Light
    • 12v DC Power
    • Easily Mounts Inside
    Not rated yet
    • $24.99
    • Ebay/Amazon Price: $24.99, You save $0.00
  • Signal Repeater 400Ft
    • 7% less than eBay

    Signal Repeater 400Ft

    Compatibility:  STS-3xx Series (Full List in Description)

    • Extend Range 400 Ft
    • Comes with 9v Power Adapter
    Not rated yet
    • $24.95
    • Ebay/Amazon Price: $26.95, You save $2.00
  • T-Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)

    Compatibility: Any T-Mobile Compatible Device (Alarm List in Description)

    • Required to obtain cellular service through T-Mobile
    • Add to plan or add pre-paid account
    • Includes FREE Activation by phone
    Not rated yet
    • $24.95
    • Ebay/Amazon Price: $15.95, You save − $9.00
  • Wireless Carbon Monoxide Detector
    • 6% less than eBay

    Wireless Carbon Monoxide Detector

    Compatibility:  STS-3xx Series (Full List in Description)

    • 80 db Buzzer
    • Detects Deadly Gas Leaks
    • Easy Installation
    • Use By Itself or with Alarm System
    Not rated yet
    • $23.49
    • Ebay/Amazon Price: $24.99, You save $1.50
  • Wireless Glass Break Detector w/ Power Adapter
    • 5% less than eBay

    Wireless Glass Break Detector w/ Power Adapter

    Compatibility:  STS-3xx Series (Full List in Description)

    • 20-25 Ft Detection Radius
    • Adjustable Sensitivity
    • Easily Mounts on Wall
    • Comes with Power Adapter
    Not rated yet
    • $20.99
    • Ebay/Amazon Price: $21.99, You save $1.00
  • Wired Mini-Outdoor Siren
    • 9% less than eBay

    Wired Mini-Outdoor Siren

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

    • 120 db Siren
    • Works On Any 9v - 12v Alarm
    • Weather Resistant
    • Easily Mounts Inside or Outside
    Not rated yet
    • $19.99
    • Ebay/Amazon Price: $21.99, You save $2.00
  • Wireless Smoke Detector

    Compatibility:  STS-3xx Series (Full List in Description)

    • Industry Standard Prevents False Alarms
    • 1-Year Battery Life
    • Adjustable Sensitivity
    • 95 db Buzzer
    Not rated yet
    • $19.95
    • Ebay/Amazon Price: $19.95, You save $0.00
    Only 4 left in stock.
  • Wireless Heat Detector
    • 5% less than eBay

    Wireless Heat Detector

    Compatibility:  STS-3xx Series (Full List in Description)

    • Detector Triggers at: ~120°F
    • 85db Piezo Buzzer/Beeper
    • Uses 9v Battery
    • Easy Installation on Ceiling
    Not rated yet
    • $18.99
    • Ebay/Amazon Price: $19.99, You save $1.00
    Only 2 left in stock.
  • Wireless Natural Gas Leak Detector
    • 5% less than eBay

    Wireless Natural Gas Leak Detector

    Compatibility:  STS-3xx Series (Full List in Description)

    • Detects Natural Gas
    • 85 db Buzzer
    • Backup Battery
    • Use By Itself or with Alarm System
    Not rated yet
    • $18.99
    • Ebay/Amazon Price: $19.99, You save $1.00
  • Wired Outdoor Siren
    • 5% less than eBay

    Wired Outdoor Siren

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

    • 120 db Siren
    • Works On Any 9v - 12v Alarm
    • Weather Resistant
    • Easily Mounts Inside or Outside
    Not rated yet
    • $17.99
    • Ebay/Amazon Price: $18.99, You save $1.00
All Products: 112 of 42