This possibly reminds you of an electric bike, so you could be confused regarding why are electric bikes legal although not scooters? Perfectly, electric scooters can attain higher speeds of around 30km/hour, though the battery needs to become recharged right after a certain distance (between 10 and 40 miles). https://brooksncnzj.designertoblog.com/61435363/the-fact-about-k10-electric-scooter-dealers-that-no-one-is-suggesting