Is one of the relatively advanced aerial work equipment, can walk, when the highest height potholes provides maximum safety protection system, operation automaticity, extremely safe ground clearance, make indoor possible operation, strong, reliable, easy maintenance, standard parts, no trace tires, slope, alarm, dual wheel speeds, free turning device, charging indicator, timer, emergency descent system. Is one of the relatively advanced aerial work equipment, can walk, when the highest height potholes provides maximum safety protection system, operation automaticity, extremely safe ground clearance, make indoor possible operation, strong, reliable, easy maintenance, standard parts, no trace tires, slope, alarm, dual wheel speeds, free turning device, charging indicator, timer, emergency descent system.