The Streamlight TLR 2s Flashlight with Strobe is a lightweight, compact, gun mounted tactical light powered by 2 CR123A lithium batteries. It features the latest shock-proof power LED technology and provides at least 2.5 hours of continuous run time in dual mode. The light can simultaneously provide LED and high-power visible laser output. The rail clamp rapidly attaches/releases from side of weapon, and tethered battery door prevents loss. Strobe can be activated by two or more momentary paddle hits. Flashlight provides 300 lumens measures system output.