iKey Stainless Steel Optical TrackballDT-TB
The DT-TB offers solid-state laser trackball technology in a completely sealed and waterproof enclosure. Designed to meet NEMA 4X protection, the DT-TB's 38 mm trackball sits inside polycarbonate housing with a stainless steel case. The trackball is easily removable for convenience cleaning, while an adjustable tension ring ensures the proper amount of trackball smoothness for any user. In addition, the DT-TB features sealed stainless steel switches, including a programmable button.