Bull Horn, Mega Phone, Public Address, Hailer Siren call it what ever you want just gonna do it really LOUD from now on! Runs on 6 C cell Batteries 15 WATTS of Volume adjust dial and push button "Whaaaa" Siren 15 watts is 98 decibels or commonly known as loud as a power lawn mower, motorcycle, farm tractor, jackhammer, garbage truck. Features Rated output : 15 watts Maximum output : 23 watts Audible : Voice - Approx. 315m Siren - Approx. 500m Power source : R14P(C) x 6 = 9Vdc Battery life (voice) : Approximately 14 hours Battery life (siren) ; Approximately 20 minutes Finish : ABS resin, Red