Amplivox Mity-meg Megaphone (25 Watts)
Features 3 Modes: Talk, Siren & Whistle
Adjustable Volume Lightweight Includes Easy-to-use Battery Cartridge & Battery Indicator To Show When Battery Is Low, Medium Or High 25w Up To 1 Mile Range Weight: 2 Lbs 18 Hours Continuous Use Requires 8 AA Batteries