Product Info: Ninebot One Z10 electric unicycle 28 mph 1800 Watt latest generation 9bot Product specifications Model Z6 Z8 Z10 Weight 42 lbs 44 lbs 46 lbs Max speed 18.5 mph 25 mph 28 mph Max range 25 miles 37 miles 50 miles Battery 530 Wh 867 Wh 995 Wh Motor 1200 Watt 1500 Watt 1800 Watt Charging time 6 hours 9 hours 10 hours Max range, speed and incline are dependent on driving weight, tire pressure, driving style and road condition. The manufacturer indicated mileage refers to a driving weight of 155 lbs load, 77°F environmental temperature, 9 mph average speed on paved flat road. A realistic rule of the thumb is 3-5 miles range per 100 Wh with a driving weight of 180 lbs. Although 9bot announces the max load as 330 lbs, we rab9mend to consult before purchase if your driving weight exceeds 220 lbs. Max driving incline angle 25° (20° for Z6) Max load 330 lbs Dimensions 18 x 20.8 x 7 inches Wheel diameter 18 inches wide tire App iOS/Android (connection through Bluetooth) IP protection IP5x (protection from dust and splashing water) Battery Management System (BMS) Load balancing, over- & undercurrent- & overheating protection Live driving performance metrics available on App Scope of delivery Ninebot One Z with integrated battery Dirt fender (detachable) Carry trolley (for optional mounting) Charger Product instruction Warranty card Integrated bluetooth modul to connect to your smartphone Worldwide shipping