The LogicLight is a keyboard light designed for use by people with low vision. This light connects to any USB port, and its 10 built-in LEDs can be positioned over the keyboard using its flexible gooseneck arm. This light is designed specifically for use with LogicKeyboard's keyboards for PC and Macintosh, including the XL Print PC Slim Line Keyboard and XL Print Apple Advance Keyboard (see separate entries) which feature integrated USB ports. POWER: Uses 5-volt DC from a USB connection. DIMENSIONS (LxW): 14.96 x 0.33 inches. WEIGHT: 1.36 ounces. WARRANTY: One year warranty.