The G5 black LED (light emitting diode) flashlight is an ultra-compact flashlight that puts out an impressive beam of light. With an 18-lumen light output, this LED flashlight will help you find the keyhole or whatever dripped on the floor of the car. A lightweight aluminum casing offers great durability and will hold up to heavy daily use. Rear On/Off switch. Impact and water-resistant. Beam distance 75-feet, with a 45-minute run time. Requires (4) AG5 batteries, included. 0.4-ounce weight with batteries, 2.45 inches long x 0.45-inch diameter.