Let your voice be heard up to half mile away! Great for calling the kids home and public events! This compact personal megaphone projects your normal voice loud enough to rattle the ref or get the kids running! Compact in size yet big on power, it projects your voice up to 200 yards away! Features durable design, a 10 second recordable message, variable volume control and built-in siren. 5.5 x 8.5 size weighs about 1 lb. 4 'C' batts not included.