JMI NGC-MAX computer v3.52 and encoder cables used on Obsession 20, and two 4000 tic optical encoders. Currently wired for external power source with power cable to external 12v, but I can wire for battery if you want. One encoder has pigtail, need one for other encoder. Includes JMI video How to Use the Max and all instructions. No mounting harware. Includes shipping and ins in CONUS. $250.