... two speed elevator, hydraulic elevator, and escalatorMain features:·model no.: CA100·CPU with 32Bit ARM control chip, with watchdog, can monitoring ... for elevator of single speed, 2 speed, or hydraulic type, with reserve for VVVF updating.·main board self-powered ( ... traction machine, winch, hydraulic lifting platform.·suitable for auto door, manual door. ·Bistable switch with magnet control is used ...