Suitable for single person          to work upraised
         Maximum platform height available:          6m; 8m, and 10m
         Power supply available:
        1.Single phase AC220V 50Hz
        2.Single phase AC110V 60Hz,
        3. DC 12V
         For DC chargeable power adaptor,          there are two formats:
        1.Working and charging time staggered
        2.Working and charging simultaneity.
         Emergency switch for  up and down          without electric power.