For single-phase 230V power supply (also available for 220V 50Hz and 240 50Hz) high-speed up / down, compact design, make changes to a minimum distance between hooks, safety, high performance, high-performance mechanical brakes, had a volume protection, strong light, 100kg only 11.5kg, high-strength corrosion resistant load chain for the non-electrolytic nickel (Ni) chain, the use of micro-car operation can be expanded operating range.