?High-Performance? 48V 1500W Powerful brushless gearless motor with 35mph (56km/h) speed;maximum current 36A, low voltage protection is DC42±0.5V. ?High-quality Durable Material? Nylon tires + stainless steel alloy spokes + stainless steel alloy wheels + rare earth metal magnet motors greatly improve product quality and driving efficiency, so as to provide you with a better experience. ?Humanized Design? The throttle has battery power display and power off function, and the auxiliary pedal function can carry 150-200KG weight. Such an intimate design is convenient for your use. ?Package Includes?Kits include all necessary components for installation; Motor/Wheel*1, controller*1, torque arm*1, brake levers*1, backpack*1, manual*1, yellow junction box*2, spring wire*1, connecting wire* 2 (black*1; red*1), pedal assist sensor*1, and cable ties*6. Battery and tire is not included. ?Note?When installing, power off first before assembling. Do not operate with power, otherwise the display screen may be burned; the red bare wire connected to the LCD display is used to equip the electric door lock. If you do not install the electric door lock, you do not need to manage this wire. Therefore, you don't have to worry, it is normal that the red line is exposed, not a product defect.