The Lumina Folding Knife from Buck Knives is a full-sized outdoor knife that features a built-in 5mm LED flashlight. The light has an on/off switch on the side of the handle with four programmed functions: a high, medium, and low beam, and a beacon flash. The light will automatically shut off after five minutes and is powered by two 3 Volt CR-2032 lithium batteries which are included. The knife features a three inch partially serrated 420HC stainless steel blade. Measuring 4 3/8 inches long when closed, this knife weighs 3.6 ounces while the handle has a stainless steel frame with translucent blue nylon sides. Knife features an LED flashlight with variable brightness and a strobe setting. 3” stainless blade, 7.25” overall, 4.5” closed, weighs 3.38oz.