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Products
3xx Alarm Accessories
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Newest first
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Wireless Door/Window Sensor
Compatibility: STS-3xx Series (Full List in Description)
- Great for entry doors & windows
- 1-2 Year Battery Life
- Reports low battery to keypad (select models)
- Easy to Install
- $11.95 if ordered online. Order by phone: $13.95, Save $2.00 online!
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Replacement Rechargeable Backup Battery (For STS-300 Keypads Only)
Compatibility: STS-300 Alarms
- Use to replace STS-300 backup battery
- Quick Release Wire (Red+ & Black-)
- Voltage: 7.2v to 7.4v
- ~1200mAh Rechargeable Battery
- $19.95 if ordered online. Order by phone: $22.95, Save $3.00 online!
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Wired Indoor Siren
Compatibility: STS-4xx Series (Full List in Description)
- 100 db Siren
- Works On Any 9v - 12v Alarm
- Easily Mounts Inside or Outside
- Perfect for Eves or Overhangs
- $14.95 if ordered online. Order by phone: $16.95, Save $2.00 online!
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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
- $17.99 if ordered online. Order by phone: $19.99, Save $2.00 online!
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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
- $19.99 if ordered online. Order by phone: $21.99, Save $2.00 online!
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Alarm System Insurance Certificate - Save 20% on Insurance Premiums
- Save up-to 20% on Insurance Premiums
- Receive by fax, email, or post office mail
- $7.95 if ordered online. Order by phone: $8.95, Save $1.00 online!
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Motion Detector Mounting Bracket
Compatibility: STS-4xx Series (Full List in Description)
- Easy Angle Adjustment
- Replacement Mounting Bracket for Motion Detectors
- $2.99 if ordered online. Order by phone: $3.99, Save $1.00 online!
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Standard 2-Wire Phone Line (Gray 6')
Compatibility: All alarms & devices with a standard phone jack
- 6 Foot Long Wire w/ RJ11 Jacks
- Landline (POTS) & Internet Phone (VOIP) Compatible
- Gray in Color
- 4-Wire Phone Line (Green/Red/Yellow/Black)
- $0.99 if ordered online. Order by phone: $1.99, Save $1.00 online!
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Standard 4-Wire Phone Line (White 5'3'')
Compatibility: All alarms & devices with a standard phone jack
- 5' 3'' Long Wire w/ RJ11 Jacks
- Landline (POTS) & Internet Phone (VOIP) Compatible
- White in Color
- 4-Wire Phone Line (Tip/Green & Red/Ring)
- $0.99 if ordered online. Order by phone: $1.99, Save $1.00 online!
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Wireless Door/Window Sensor
Compatibility: STS-3xx Series (Full List in Description)
- Extendable Antenna for Longer Range
- 1-2 Year Battery Life
- Low Battery LED Indicator
- Double-Sided Tape for Easy to Install
- $11.95 if ordered online. Order by phone: $12.95, Save $1.00 online!
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Wireless Door/Window Sensor
Compatibility: STS-3xx Series (Full List in Description)
- Internal Antenna
- 1-2 Year Battery Life
- Low Battery LED Indicator
- Easy to Install
- $9.85 if ordered online. Order by phone: $11.95, Save $2.10 online!
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Wireless Motion Detector w/ Mounting Bracket
Compatibility: STS-3xx Series (Full List in Description)
- 15-20 Ft Detection
- Adjustable Detection Range
- Low Battery LED Indicator
- Uses Standard AA Batteries
- $14.85 if ordered online. Order by phone: $16.95, Save $2.10 online!

