Eureka Magic 125 Lantern measures approximately 2 7/8" in diameter x 6 1/8" high. This is a very small lantern with a bright light and encased in a water resistant aluminum housing. The light source is a Cree LED with up to 125 lumen output on high and 45 lumen output on low. High, low, and strobe modes. Bright lantern for area light converts to powerful flashlight by rotating the top housing. Uses two AA batteries (included). Up to 5 hour runtime per battery set on high setting and 28.5 hour runtime on low setting. Comes with attachment clip and black cord lanyard. Hang packaged.