Part Number : 106-303


Quick Overview

“The world’s smartest wireless intruder alarm system”

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  Description    Benefits    Technical Features    Downloads    Compatible with    Supplied with  


“The World’s Smartest Wireless Intruder Alarm System”

SecurityGuard III with 3G GSM is a unique fully wireless all-in-one alarm system that can be installed in minutes to protect your family home, holiday home, recreational vehicles or business and alert you immediately.

As soon as the system is removed from the box, the multiple award winning SecurityGuard III is ready to protect with a built-in high range motion sensor (PIR) and the world’s loudest security siren. Its display and smart voice clearly alerts you to any event that has occurred.

SecurityGuard III is Australia’s most awarded security system holding numerous Australian and international design awards. When it comes to reliability, SecurityGuard III is tried and proven in all fields with hundreds of thousands of systems installed.


Supplied without a SIM. Please consult your local Ness sales staff for a unit with Sim (Part No. 106-303S)




Ease of Installation
SecurityGuard III requires no cabling or drilling to install or operate the system. Simply mount the unit to the wall with the included screws, start your system with your unique key and enjoy peace of mind immediately.
Additional devices can be added simply and quickly to SecurityGuard III using one of the included Radio Keys.


Wireless Operation
Operation could not be simpler. You have complete control with the waterproof radio keys that provide the user with separate on and off buttons for fast arming/disarming, a panic button in case of an emergency, and an auxiliary button for automation control.
SecurityGuard III is fully compatible and supports up to 24 Ness radio devices such as PIRs, keypad, reed switches, sirens, smoke detector, panic buttons.


All in one System
SecurityGuard III’s unique design incorporates all that is essential in a powerful security system into a single unit. The PIR protects an area of 15m that once disturbed sets off the 127dB siren, loud enough to deter any intruder.
SecurityGuard III’s GSM communication alerts your chosen phone immediately via SMS or voice allowing you to listen in or speak to whoever is in your premises. On return home, the units display will make you aware of any events or system requirements e.g. intrusion or a low battery from a device.
The main units long life battery will provide operation and peace of mind for up to six months without charge.


Voice Announcements 
SecurityGuard III not only visually reports all events to the user via its large, bright alphanumeric display, it actually speaks to the user to report the event and advises on the action to take.
SecurityGuard III can even speak in different languages such as English, German, French, Italian, Dutch to name but a few.


GSM Monitoring 
SecurityGuard III has an in unit wireless digital communicator which uses the GSM mobile network and is completely independent of landlines - giving unprecedented ease of installation and portability.
SecurityGuard III can be monitored by a central station or self monitor by SMS to your mobile phone with an active two way voice channel.


Two Way Voice 
SecurityGuard III also has Two Way Voice capabilities which means that in the event of an alarm you can listen in and talk back to the premises through the SecurityGuard III. This allows you to verify alarm calls from any phone, anywhere you are.


Energy Efficiency and Portability 
SecurityGuard III can run off its internal battery for up to six months operation before recharging - which means less maintenance for the homeowner or building manager. Once you are alerted to a low battery in the main unit via SMS or Voice, simply plug the unit in for charge for 24 hours and take peace in knowing you will be protected completely wirelessly for another six months.
Should you not have access to mains power, connect a solar panel to the SecurityGuard III and keep your system charging free of raising electricity costs.


Awards and Accolades


Onboard 15m PIR


24 zones


LED User display 


High volume siren


Anti-tamper protection









SecurityGuard III with GSM unit (with all the features presented above)

2 radio keys

4 screws

2 unique security keys

Plug Pack



Additional Information

Part Number 106-303

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