Mahle 400 80008 00 Black Automatic Transmission Fluid Exchanger with Boost Pump (ATX-2+Boost) Fully Automatic Cooler Mode or Dipstick Mode Top off Feature ( Allow you to add or subtract 1/2 quart to top off or to decrease transmission fluid.) Includes Boost Pump to speed up service time Average full exchange process time of 2 to 5 minutes; Dipstick mode takes 8 to 14 minutes Color coded Adaptors for ease of use with determining vehicle application