4xx Alarm Accessories

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.

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

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

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

• Uses Standard watch battery
• Ultra Thin Design
• Blue LED Indicator
• Adjustable Sensitivity

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

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

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

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

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

• Industry Standard Prevents False Alarms
• 2-Year Battery Life
• Adjustable Sensitivity
• 95 db Buzzer

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

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

• Solar Charging Battery
• 120db Siren
• Yellow Strobe Light
• No Power Adapter Required

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