Shop CTC Security for Hills Reliance screamers & sirens, both internal and external sirens for deterrence against burglary.
When activated the siren or screamers makes a loud sound to alert to intrusion.
External sirens provide a layer of security, simply by their appearance, an intruder is less likely to burgle a premises with an intrusion device. External sirens are either hard wired or fully wireless and provide a visual strobe when activated.
Screamers are positioned internally and are not weather rated, they are typically small, either hard wired or wireless dependent upon the security system.

Pre-Programming
Our technicians can pre-program your Alarm before dispatch for the following features. Save $ on Installation costs

Installation Service
Installation of your Hills Reliance alarm system is available Sydney Wide. REQUEST A QUOTE


















