HellFighter X-8, 6V, Shock Isolated Tactical Light with Interrogator Bezel - 150 Lumens (Xenon) Sturdy aircraft grade aluminum body Bright 150 lumens (Xenon) Perfect for the AR Platform. Great handheld light Length: 5.75 inches x 1.5 inches, Body Diameter: 1 inch, Weight: 6.5 ounces, Powered by (2) cr123 lithium batteries - included Lifetime Warranty (excludes bulbs and batteries)