Smart 101 megaphone this smart 101 megaphone is perfect for lifeguards training and outdoor excursions thanks to its ability to amplify your voice to a great effect whilst being compact enough not to be a nuisance this megaphone has a whistle button volume control and a wrist strap to get a secure hold megaphone no howling loud and nice timbre cute figure and portability weight wrist strap output 12w120m batteries not included redwhite one size