Five colors: blue/yellow/orange/green/purple Color could be customized according to your request for order more than 100pcs Specifications: With Samsung-made lithium battery Low energy consumption Top quality, reasonable price With CE/RoHS certifications Safety measures: Tilting protection: 45° side-to-side on average (motor stalls when tilting over 45°) Speed limit protection: activated at 12km/h (front part of pedal will rise to prevent further acceleration) Low battery protection: activated on 15% power battery (front part of paddle will rise to decelerate will rise to decelerate till fully stop) Alert: Power and error indication: LED power indicators (red when turned on, blinks when protection activated) Battery power: LED power level indicators (four bars on when over 85%, off one by one as power level drops) Alert sound: beep (beep when powered on, continual beep when power level is dangerously low) Alert sound: long buzz (long buzz when tilting sideways) Standard accessories: Extended pump nozzle for the unicycle Training wheel Training band Charger (by 110V charger or 110-240V bio-voltage charger) Max. load: 120kg Max. speed: 18km/h Max. mileage: 25~50km Battery life time: 1,000 times Max. height of on ground: 100-112mm Safe climbing angles: 15~35° Charging time: 1.5 hours Battery: Samsung battery