Blaze Orange Camouflage Packmate Flashlight, Uses C4 LED Technology, 3 Settings: High, 125 Lumens & Up To 2.75 Hour Run Time, Low, 20 Lumens & Up To 15 Hour Run Time, Ultra Bright Green LED Setting, 3.5 Lumens & Up To 28 Hour Run Time, Unbreakable Polycarbondate Lens, 5.43" Length, Weather Resistant, Corrosion Resistant Aircraft Grade Aluminum Coated Body, Tailcap On/Off Switch, High Strength Wrist Lanyard, Uses Two Cr123a Batteries Included, For Replacement Batteries Use True Value #565-625.