The UL certified hoverboard meets UL2272 criteria for quality charging and electrical performance. Charger included. The balancing technology of this hoverboard makes it easier and safer for beginners and amateurs. It is not hard to learn and maintain equilibrium let you master the art of balancing in minutes. The 300watt double motor is engineered to overcome slopes and other general obstacles, max climbing angle up to 15 level. Purchase with Confidence, Power Sports Provides Professional ServicesOur Aim is the satisfaction.Fast delivery,Shipped from Los Angeles. One year guarantee for wheel hub motor, controller and charger, half of a year warranty for battery in the date of purchase. Please do not hesitate to contact us to any issues.