Durable, anodized machined aircraft aluminum construction White LED produces 100 lumens; 950 candela; 62 meter beam; runs 8 hours IPX4: water resistant; 2 meter impact resistance tested About the size of a marker, it fits conveniently in your pocket 5.3 inches (134 millimeter); 1.64 ounce (46.9 gram) Removable pocket clip