... height,high load capactiy 3, Perfect compact structure Self-propelled aerial work platform,There is battery, Not needs other power,it ... manganese steel.4. Color:Chassis and Scissors are blue,Work platform and Guardrail are orange.Features1. Owning point control system ... Self-locking funtion will work when electricity is suddenly cut off.5. Systerm have Emergency drop valve,which can let platform ...