Streamlight's TLR-4 G is an ultra-lightweight, compact weapon-mounted tactical light for sub-compact and compact weapons. It features a white C4 LED, as well as an integrated green aiming laser with wide temperature range technology. The TLR-4 G is designed to maximize visibility and long-range targeting capability in a variety of tactical applications, particularly during daylight hours, when the color green appears brighter to the human eye than other colors.