Loud 50 Watt Rechargeable Megaphone with Detachable Handheld Microphone and Siren mode Sound Coverage: Approximately 2,300 feet (over 2 football fields!) Rechargeable battery pack and charging cable included, also accepts 8x D batteries (not included) as an alternative power option Detachable handheld microphone with volume control, On/Off button, and Hold switch. Alternate between SIREN and TALK modes using the switch on the megaphone. Measures 9' (Horn Diameter) x 14' (Length). Weighs 2.4 pounds with battery pack inside. Optional shoulder strap included.