SC-1022 Volunteer hand held siren. Big fire truck sound. The Volunteer offers all the standard tones, Wail, Yelp, Phaser, Air horn and a highrasp mechanical tone. The Volunteer siren also has two lighting switches built in. All siren and lighting is controlled from a hand held control panel, the amp is mounted remotely. This Volunteer is best suited for vehicles with factory center consoles. This unit can help with clearing traffic, be heard like one of the big fire trucks.