Pandawill Pw16662 Plastic Electronic Bell Mini plastic bicycle bike cycle ultra-loud electronic bell ring horn This is bicycle ultra-loud electronic bell ring horn Designed for easily mount directly to your bike, a loud siren to draw people's attention on street Keep your kids from danger by warning or noticing others, this horn can rotate up to 180 rotation Powered by 2x AAA batteries(not included). With one loud siren sound more than 90 decibels