Piezo Dynamic Technology utilizes full-sized diaphragms and ceramic wafers to create the full-frequency response and loudness of voice coil speakers without the use of heavy cumbersome magnets as in conventional megaphones significantly reducing weight and current draw.
3 modes: Talk, Siren, and Whistle
Adjustable/Removable Shoulder Strap
1 mile effective range
9" bell diameter
Uses 8 "C" batteries (not included) for up to 40 hours of continuous use