45 Watt Piezo Dynamic Megaphone With Built-In Siren & Hand-Held Mic

mg electronics introduces a powerful, new, lightweight megaphone - 45 watt piezo dynamic megaphone. Piezo dynamic technology is a revolutionary techinque that allows a megaphone to operate more efficiently and with less weight than ever before. Professional grade heavy duty abs plastic construction. Audible up to 1/2 mile. Built-in siren. Dectachable handheld microphone with adjustable volume control. Includes adjustable shoulder strap. Led battery power indicator. Auxillary power input. External microphone input and extenal aux output. features: power: 45 watts size: 21" long x 14" bell diameter range: up to 1/2 mile batteries: 10"d" cells (not included) 2 modes: talk mode & whistle mode net weight: 7 lbs (without batteries)