Hydraulic, medium speed, with the addition of a water valve for protection against water inside the tank. Very little use and clean, from the company Lorader. It can be fitted to all cars by changing the bases or changing the shock absorbers. (It fits directly onto an Elantra, it was previously fitted to an Elantra from model 16 onwards) + It fits Sonata, Elantra, Corolla, Azera, and most cars.