This 50 WATT megaphone phone is perfect for every events, such as crowd control, religious events, rescue activities, sports, construction site. Along with a plug-in hand held microphone and volume control which makes this megaphone more suitable to it needs or purpose.Product Information: 50 Watts Megaphone; Siren/Speak Switch; On/Off Switch; Volume Control; Neck/Shoulder Strap; Approximately 765 yards range (700meters); Hand Held On/Off Microphone Button; Measurements Horn Diameter 9" x 14" L Package Includes: (1) Megaphone; (1) Shoulder Strap; (1) Manual; (1) Hand Held Microphone PLEASE NOTE: Eight (8) "D" Batteries Not Included