<b>Specification:</b></br> Charging Time: 2-4 Hours</br> Riding Range: 6-9 Miles</br> Weight-bearing: 44lb to 200 lb</br> Gross Weight: 30 lb/13.6 Kg</br> Maximum Speed: <15 Km/H</br> Climbing Capacity: <15°</br> Turning Radius: 360°</br> Wheel size: 6.5" Tire</br> Chassis Height: 1.18" /3Cm</br> Pedal Height: 4.33" /11Cm</br> Dimension: 24×22×8.6 in/ 60.5×56×22 Cm</br> Motor: Dual Hub Motors</br> Battery Type: Lithium high-rate battery</br></br></br> <b>Package Contains:</b></br> 1 x Two-Wheels Hoverboard</br> 1 x Hoverboard Seat Attachment</br> 6 x Straps</br> 1 x Power Supply Charger</br> 1 x Manual</br> Assembly tools</br></br></br> <b>Warranty(from the date of purchase):</b></br> 3 Months Warranty & 1 Year Technical Support & Lifetime After-sales Consulting Service</br> If you have any questions, please feel free to contact us. We'll reply you within 24 hrs and provide a satisfied solutions for you.</br></br></br> <b>NOTES:</b></br> ▶Please fully charge before using for the first time.</br> ▶Remember that the range of motion should not be too large, as far as possible to avoid excessive tilt.</br> ▶Children should be accompanied under the guardianship of an adult, and the speed shouldn't be too fast.</br>▶DO NOT start or stop operation on a slope, as to avoid damaging the self-balacning system or causing function errors.</br> ▶DO NOT operate the hoverboard when the "BATTERY LOW" indicator on.</br></br></br> <b>HOW TO CALIBRATE:</b></br> 1.Make sure the hoverboard is fully charged, turn off your hoverboard.</br> 2.Place the hoverboard pedal parellel to the ground. Make sure your hoverboard is not tilting in any direction and calibrate balance in a horizontal level.</br> 3.Hold down the power button for at least 10-20 seconds. (You will see the LEDs flash 5 to 6 times and light up continuously after 6 flashes.) </br> 4.Power off the hoverboard once more to finalize the recalibration and turn it back on.