TOMOLOO Hoverboards Smart Scooter Two-Wheel Self Balancing Electric Scooter Light - Black Hover Board UL2272 Certified Battery Protection &hellip; &hellip; Unique TOMOLOO:Design inspiration comes from the mounts Fire Kylin,symbolizing invincible aggressiveness and fearless spirit. Verified Safety:UL2272 Certified of hoverboard and UL2271 Certified of the battery,comply with all U.S safety regulations,which is with the features of high-temperature resistance and fire resistance. Self-balancing Technology:The first Mechanical Self-Balancing Electric on the Market. Own an invention patent, professional gyroscopes,acceleration sensors and motherboard ,give you a safety,smooth and stable riding experience.