Features:1) Two wheels hover board with Lithium-ion battery 36V 4.4Ah2)Working temperature: 0°C-40°C3) This scooter uses gyroscope sensors to enable self-balancing  The inner workings of the hover board use gyro sensors,Website:http://www.sz2wheels.com, two 250Watt motors and a set of rechargeable lithium battery4)Users can control the vehicle to go forward, accelerate, decelerate, turn around, bread or others by leaning forward or leaning backwards5) With a full charge it has a range of roughly 15 km and a highest speed at 10km/h6) The hover boards are green product helpful tool in outdoor, and easy for carry. Also can be a funny entertainment tool as well as skateboard.7) For your safety it is recommended to wear protective gear such as a helmet, elbow pads,knee pads, etc, when operating hover board8) Do not use the balance scooter as a means of public transportation. The device is mean for personal entertainment only.9) Do not use balance scooter if you have a history of heart disease, high blood pressure, or are pregnant/nursing.10) The maximum speed of the hover board is approximately 10 kilometers per hour, or 6 miles per hour.11) Certification: CE, RoHs, FCC & UL2272Package Included1 x Two wheels hover board1 x Power supply charger1 x ManualOEM/ODMBased on 9 years OEM/ODM experience, we are offering the best service for your reputation brand. Our team is quick to follow up every caseQuality ControlWe emphasizes that the product quality and long time RMA service to satisfy our customer. With own factory, we ship the good within 2-5 weeks with assured quality.