The TLR-8A includes ergonomic switches with low and high positions to match your shooting style. Includes a 500 lumens white LED light and a green laser for optimum performance day and night. This light is an optimal fit for a wide variety of both full-sized and compact guns. The low-profile design prevents snagging and a “safe off” feature prevents accidental activation. This light has 1.5 hours of battery life in light or light/laser mode and laser only mode provides 11 hours of runtime. The rail grip clamp system securely attaches/detaches without the use of tools or unsafe hand placement. IPX4 water-resistant and built with durable, anodized machined aluminum housing.