The frame of this four wheels electric scooter uses high carbon steel, which has High hardness and good abrasion resistance. It adopts 1000W brushless motor, 1000W 12 tube controller with multiple functions. Large capacity battery compartment, installable 48V20ah/60V20AH/72V20AH Lead acid battery or lithum battery. The speed can be adjusted by a knob, very simple and convient. Speed range is from 0-30KM/H. The mileage can achieve 40-60KM. With the roof, don’t worry about the hot, rainy and snowy weather. It also equips with the wiper, when it rains, you can use the wiper, avoiding influencing the eyesight. It uses the drum brake ,which is good for maintenance.