Features: Comes with 40 SMD LEDs which provide bright lighting and 6W consumption The adjustable arm allows angling and pointing the light to where you need Flip-down cover to keep the magnifier free of dust The LED features long lifetime up to 50,000 hours, 20 times longer than incandescent lamps 3D(1.75X) large glass lens provide high transmission for excellent view and 12D(4X) insert lens to inspect small parts and fine details