Quantum handheld programmer. Program all the basic values forward, reverse, turning speed, acceleration, deceleration etc. Will program up to 5 modes. For Quantum NE and NE+ joystick controlled wheelchairs. The joysticks in the Gallery are not included and are there for informational purposes. Here is a link to the PDF manual. https://javafoundry.com/home/Q-Logic_Technical_Manual.pdf