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Products
STS-5xx Accessories


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Recommended
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Wireless Outdoor Siren w/ Red Strobe
Compatibility: STS-5xx Series (Full List in Description)
- Great for Eves or Overhangs
- 120 db Siren
- Red Strobe Light
- Rechargeable Back Up Battery
- $39.95 Ebay/Amazon Price:
$41.95, You save $2.00 -
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
- $34.95 Ebay/Amazon Price:
$39.95, You save $5.00 -
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
- $24.95 Ebay/Amazon Price:
$15.95, You save − $9.00