Ideal for use in low light level environments, the E50 Panel (Halo & Backlit Buttons) module incorporates LED HALO and button backlighting. It is a high specification trackball device that incorporates the latest Cursor Controls Ltd solid state sensing and IP68 technology. The module combines the patented optical trackball with the new Cursor Controls Ltd hall-effect scroll wheel and also includes left, middle, and right switch functionality found in conventional desktop trackballs/mice, making the E50 Series module a complete human interface solution for control of a cursor. The unit has been designed to be back of panel mounted as part of OEM keyboards and consoles.