New Mini Smart Waterproof Self Balancing Electric Unicycle Scooter balance 2 wheels white/red/blue/black/yellow Max Speed 10km/h(contain) Distance around 15-20km(depends on rider's weight, road conditions etcMax tilt around 15Minimum turning radius 0Battery 36V*4.4AH158WH lithium batteryhighest power 500W(contain)-1000W(no contain) Using temperature 10-50recommending at 10-30Charging temperature 10- 50Max load 100kgMin load 20kgEngin 350WProtection grade IP54Charging Voltage AC100-240V 50-60HZCharging Time Around 90-120 MinsLow Battery Protection when battery is lower than 10%, it will slow down and finally stopped working. Size 584*186*178(mm) Tyre size 170mmweight 10kgpower switch LED works when turned on and keeps twinkling under protection circumstances. Voice Alert Beeps when turned on and has a low battery capacityStandard Charger, Giftbox, User Manual.