Fully automatic operation press the fluid amount you wish to exchange and walk away. Audible and visual alerts when exchange is complete. Averages only 2—5 minutes! leading accuracy digital weight scale technology provides true fluid mass measurement and better accuracy. Multi—fluid capability easily change fluid types. Remove one type of fluid from the machine with the push of a button and replace with another type. Separate drain hose eliminates contamination of fluid. Rapid exchange large fill pump provides new fluid quickly. Precision mass measurement fills accurately and minimizes the need to adjust fluid level after exchange.