Powered by Razor?s Power Core technology Razor?s Black Label E90 electric scooter goes at impressive speeds up to 10 miles per hour (16 km/h) ? top speed in its class. With a thumb-activated throttle rear-fender brake and the newly designed all-steel frame it?s the most solid ride for children to increase fun footprint. Its 12V rechargeable battery delivers up to 40 minutes of continuous run time for riders age 8+ and up to 120 lbs (54 kg). With Razor Black Label E90 electric scooter for kids the power at last can be yours.