Hello! Welcome to our store! Quality is the first with best service. customers all are our friends. Feature: 100% brand new and high quality. High Technology Smart Self Balancing Hoverboard Battery Charger The best charge temperature is 0 degree centigrade ~50 degree centigrade . Over cold and over heat will not completely full of battery Charging Duration: 2-4 Hours Max(to maintain a longer battery life) LED Light Indicator- RED: Charging Properly | GREEN: Charged/Ready to Use Input: 100-240V AC,50/60Hz, 1.5A Output: 42V / 2A DC Connector: Female 3-Pin Inline Plug Type: US Plug Packet including: 1 x Smart Balance Hoverboard Electric Scooter Battery Power Charger 3-prong Inline There is 2-3% difference according to manual measurement. please check the measurement chart carefully before you buy the item. 1 inch = 2.54 cm Please note that slight color difference should be acceptable due to the light and screen.