Large groups and teams on wide open fields will benefit from the Champion Sports 8 Watt Megaphone. Able to be heard up to 800 yards away, this megaphone also comes with a built-in siren when you really need to get their attention. The adjustable volume control allows you to adopt to different crowds and instances, while the convenient wrist strap makes it easy to hold and transport this megaphone. *800 Yard range *Power from 8 to 12 watts *Adjustable volume control *Powerful siren for when you need immediate attention*Convenient carry wrist strap *Takes 8AA batteries (not included) *Yellow.