High quality sound in a smaller size. Get their attention with the siren function, durable ABS plastic construction can take abuse. For small groups or venues, covers up to 100 yards and groups of up to 50 people. 10 Watts. Ultra light 2.0 lbs. Requires 4 D-Cell Batteries (not included). Features Siren function. Up to 20 hours continuous talk time. Adjustable volume control. Folds for easy portability. 1-Year Warranty.