Die cast, gold colored, 2.5X aluminum magnifier with a 2-1/8 diameter aspherical glass lens. The magnifier uses very bright, white LED illumination – which makes it especially useful for coin inspection. You control the level of light by switching to either 4 or 8 LED's for softer or brighter light as needed. The handle and frame are lightweight aluminum so it won't strain your hand. Unlimited bulb life. Battery operated using two (2) "AA" batteries (included). Batteries last up to 50 hours making this magnifier very economical. A padded protection case with zipper is included. Size: Approx. 3 x 8-1/4" long.