Operation Instructions - Easy to learnFor your safety it is recommended to wear protective gear such as a helmet,Website:http://www.sz2wheels.com, elbow pads, knee pads, etc, when operating the balance scooter.Step1. Press the power button to turn on the balance scooterStep2. Place one foot gently on a pad to activate the device's automatic self-balancing systems. With the two pads flush, step up onto the balance scooter, transferring your weight onto the device as smoothly as possible.Step3. After balancing your center of gravity, the balance scooter will level out and remain stationary. Lean forward to make the device travel forward, learn backward to reverse, and put your weight on one side to execute a turn.NOTEIf you attempt to step onto the balance scooter while the two sides are not balanced, a warning alarm may sound.Step4. On-the-spot turns may be executed by shifting one foot forward and the other back. Only attempt this after you have grown comfortable with operating the balance scooter.Step5. To dismount, decelerate until the device is stationary, then step quickly off to the rear with one foot, then the other.All Materials UL 2272 standard - Safe for usePlastic materials enclosure:1)94 V-1 flame rating2)Minimun RTI with impact of 80°C3)UV and water exposure rating4)Minimum IP ratings: IPX4Metallic Material: corrosion resistantElectrical insulation material: pass UL 746CBattery pack:1)Over charge protection2)Over temperature protection3)Over current protectionMotor:Over current protectionOver load protectionMotor locked rotor protection when motor winding temperature highCharger:UL 60950 standardOver voltage protectionShort circuit protectionOver current protectionOver temperature protection