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Products
4xx Alarm Accessories
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Recommended
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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
- $24.95 if ordered online. Order by phone: $26.95, Save $2.00 online!
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Wireless Temperature Sensor - Freeze or Heat Alarm
Compatibility: STS-4xx Series (Full List in Description)
- Set between 32°F to 140°F (0°C to 60°C)
- Helps prevent broken pipes due to freezes.
- or Helps prevent mildew & mold during air condition malfunctions.
- 2 Year Battery Life
- $24.95 if ordered online. Order by phone: $26.95, Save $2.00 online!
Only 7 left in stock. -
Wireless Temperature Sensor - Freeze and Heat Alarm
Compatibility: STS-4xx Series (Full List in Description)
- Set between 32°F to 140°F (0°C to 60°C)
- Set a LOW and HIGH temperature alarm.
- Helps prevent broken pipes due to freezes.
- or Helps prevent mildew & mold during air condition malfunctions.
- $34.95 if ordered online. Order by phone: $36.95, Save $2.00 online!
Only 1 left in stock. -
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
- $14.95 if ordered online. Order by phone: $16.95, Save $2.00 online!
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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
- $14.95 if ordered online. Order by phone: $16.95, Save $2.00 online!
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Wireless Indoor Siren w/ Red Strobe
Compatibility: STS-4xx Series (Full List in Description)
- 110 db Siren
- Rechargeable Back Up Battery
- Red LED Strobe Light
- Insulated For Indoor Or Outdoor Use
- $34.95 if ordered online. Order by phone: $36.95, Save $2.00 online!
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Wireless Indoor Siren w/ Blue Strobe
Compatibility: STS-4xx Series (Full List in Description)
- 110 db Siren
- Rechargeable Back Up Battery
- Blue LED Strobe Light
- Insulated For Indoor Or Outdoor Use
- $34.95 if ordered online. Order by phone: $36.95, Save $2.00 online!
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Wireless Indoor Siren
Compatibility: STS-4xx Series (Full List in Description)
- 110 db Siren
- Rechargeable Back Up Battery
- No Strobe Light
- Internal Antenna
- $29.95 if ordered online. Order by phone: $31.95, Save $2.00 online!
Limited number coming! Reserve yours today! -
Wireless Outdoor Siren w/ Red Strobe
Compatibility: STS-4xx Series (Full List in Description)
- Great for Eves or Overhangs
- 120 db Siren
- Red Strobe Light
- Rechargeable Back Up Battery
- $41.95 if ordered online. Order by phone: $43.95, Save $2.00 online!
Only 3 left in stock. -
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
- 3 To 5 Year Back Up Battery
- No Power Adapter Required
- $69.95 if ordered online. Order by phone: $72.95, Save $3.00 online!
Only 10 left in stock. -
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
- $84.95 if ordered online. Order by phone: $86.95, Save $2.00 online!
Only 3 left in stock. -
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!

