<p>Full featured 100 watts model with hi-lo or priority tone available</p> <p>High reliability and performance is achieved by means of integrated circuits and surface mount technology</p> <p>User selectable switching for horn ring tap and press/hold, manual horn/siren, and radio rebroadcast</p> <p>Fused circuit failure protection, font panel PA volume control, and built-in noise canceling microphone available</p> <p>Shipping weight: 6.5 lbs.</p> <p>Includes Wail, Yelp, Peak, Hold, Hi-Lo, and Air Horn<br /> Noise compelling microphone with PA volume control and radio rebroadcast<br /> Small and compact measuring only 2.3" H x 6.1" W x 7.6" D</p>