<p>Wheel size: 6.5 inch</p> <p>Motor: Dual 300W</p> <p>Battery Type: Lithium ion battery</p> <p>Charging Time: 3-5 Hours</p> <p>Using Time: 30-60 Minutes</p> <p>Max Speed: 6MPH</p> <p>Max Range: 6 Miles</p> <p>Range of rider's weight: 20-90KG(44 to 200 LBS)</p> <p>Weight Range for Best Experience: 20-70KG(44 to 154LBS)</p> <p>Max Climbing Angle: 10-15 Degree</p> <p><b>Package Included:</b></p> <p>1 x Two-Wheels Hoverboard</p> <p>1 x Power Supply Charger</p> <p>1 x User's Manual</p> <p><b>NOTES:</b></p> <p>1. Recommend to refer User Manual before use.</p> <p>2. Do not use other battery charger to charge this hoverboard.</p> <p>3. Please wear helmets and safety pads before riding the self balancing hoverboard, children under 8 years old need to be accompanied by an adult, and the speed should not be too fast.</p> <p>4. Not recommended for rainy days.</p> <p>5. DO NOT swerve at high speed.</p> <p>6. DO NOT start or stop operation on a slope, as to avoid damaging the self-balacning system or causing function errors.</p> <p><b>How to Calibrate?</b></p> <p>1. Turn off your hoverboard.</p> <p>2. Place your hoverboard on the ground, make sure your hoverboard is not tilting in any direction and calibrate balance in a horizontal level.</p> <p>3. Hold down the power button for at least 20 seconds.</p> <p>4. Power off the hoverboard and turn it back on.</p>