Warning "1; Before use, it is necessary to check the tightness of the screws, fixing nails and adjustment points. 2; When using a pedal, it is essential to wear head guards, knee pads and wrist guards. You should also wear rubber shoes suitable for sports. 3; Do not drive on wet or frozen roads, or on roads with a lot of stones and sand, which can be dangerous. 4; Do not rotate the handlebars sharply while driving. Do not share one vehicle for coasting. It is prohibited to use it for acrobatic performances. 5; It's not easy to limit the speed on a downhill road, so don't coast on a downhill road and don't use it in thick fog or at night. 6; In other places, users should drive within a range where they can safely adjust the speed and must pay attention to the speed limit. 7; When using a pedal, it is essential to abide by regional regulations and traffic road laws, and also be aware of all obstacles. 8; This product is not suitable for preschool children, the elderly, the weak or patients with heart disease. Do not drive after drinking alcohol.