The Megger BAKER DX POWER PACK CONTROLLER is the most advanced and user-friendly controller on the market. It features a large, backlit LCD display that makes it easy to read even in low-light conditions. The controller also has a built-in help system that provides quick and easy access to information on how to use the controller. Additionally, the Megger BAKER DX POWER PACK CONTROLLER is the only controller on the market that offers a built-in data logger. This data logger can be used to track the performance of the power pack and to identify any potential problems.