The Champion Sports Record Megaphone will really get their attention! This 18-watt megaphone has a 1,000-yard range and features a 60-second recordable message that will repeatmaking it essential for giving instructions, directions or emergency messages. Youll never have to worry about being heard! Audio Range: 1,000 yd; Diameter: 9.1"; Length: 13.8"; Maximum Battery Operation Time: 4 h to 6 h.