• AC Motor eliminates replacement of carbon brush； • The multi-function display instrument shows the electric quantity, malfunction, and accumulative working hours； • Damping cushion for low-noise operation； • Emergency reversing device in the handle provides higher safety for thewhole operation； • Built-in pressure relief valve protects the trucks from overloads,increases the reliability； • Emergency power disconnect switch； • Turtle-shaped low speed switch； • Auto deceleration function makes operation more safely.