Plug and Play Surron Horn
$35.95
This plug and play kit includes a loud electric Surron-style horn producing a massive 105db. Loud enough to be heard over traffic. Powered by 8 x AA batteries, it gives strong, consistent output with a responsive button.
No wiring required, Everything you in to install it comes in the kit and it mounts in under 5 minutes, so it's beginner-friendly even if you've never touched electronics before. Fits almost every e-bike, mtb and scooter with standard handlebar mounts.
(AA batteries not included)