MEGAPHONE
Features:Talk and whistler and Siren and USB and TF card Play and Bluetooth, 260 Seconds Voice Recording Function ,
Power Output: 30w Rated / 50w Max,
Power supply :with 7.4V 1200MAH lithium battery,
Power supply :8 "C/D" (UM-2/1) dry batteries,
External working voltage :DC-12V,
Voice Range: 1 km,
Dimensions: Horn Dia.230mm, Length350mm,
Color: blue and white, red and white, blue and gray