Package 1:

Smoke Detectors and Call Points with Conventional Control Panel and buzzers ( Wired System )

Image result for wired fire alarm system

Package 2:

Smoke Detectors and Call Points with Addressable Control PanelĀ and buzzers ( Wired System )

Image result for addressable wired fire alarm system

Package 3:

Wireless Smoke Detectors with built in buzzers

Image result for wireless smoke detectors