TST Folding Electric Bike for Adults,1000W Peak Motor Ebike with 48V 15Ah Removable Battery, Max Range 60 Miles, 20" Fat Tire All Terrain E Bike with UL2849 Certification. Disclaimer：consumers who purchase this product are responsible for understanding and complying with all state and local regulations related to its use. We strongly recommend that you read and follow the product instructions, including all safety precautions. Consumers in New York City, please be sure to review the important information on lithium-ion battery fire safety at the following link: https://www.nyc.gov/site/fdny/codes/reference/lithium-ion-battery-safety.page