... good service, pretty competitive price this control board for two speed elevator, hydraulic elevator, and escalatorMain features:·model no.: CA100 ... board for more floors.·Suitable for elevator of single speed, 2 speed, or hydraulic type, with reserve for VVVF updating.·main board ... , winch, hydraulic lifting platform.·suitable for auto door, manual door. ·Bistable switch with magnet control is used for ...