Shop Alarm Accessories for Complete Security Solutions in Australia

Enhance your home or business security with high-quality alarm accessories from Home Security Online. Our comprehensive range is designed to work seamlessly with your existing alarm system, providing added functionality, convenience, and peace of mind. Whether you need additional motion sensors, alarm sirens, or alarm remote controls, we have everything you need to customise and upgrade your setup.

Types of Security Alarm Accessories Available

• Motion Detectors – Add extra protection to key areas with PIR motion detectors that trigger your alarm upon detecting movement.
• Door and Window Sensors – Protect all entry points with reliable sensors that alert you instantly if a breach occurs.
• Alarm Sirens – Ensure your alarm is heard loud and clear with internal or external sirens designed to deter intruders.
• GSM Diallers – Keep your alarm communicating via a 4G pathway when no landline is available.
• Keypads and Alarm Remotes – Control your alarm system with ease. Replace existing keypads or remotes from our extensive range including the Ness Security RK4, Ness 3+1 Alarm Remote, and the Hills Reliance S1896A 4-Button Activator compatible with NX4, NX8, NX16 and R128 alarm panels.

Why Buy Alarm Accessories from Home Security Online?

At Home Security Online, we stock alarm accessories from Australia's most trusted security brands — including Ness Security, Bosch, and Hills Reliance — built to the highest standards of quality and reliability. Get expert advice and fast shipping Australia-wide so your home or business stays protected around the clock.