This general purpose table-mounted extension arm magnifying lamp features a ring of 56 bright white LEDs that cast a powerful white light. The 5″ glass magnifying lens has a flip up protective cover and a 5 dioptre focal length. The extension arm reaches up to 32″ and has 3 pivot points. The table edge clamp has a swivel base, enabling this lamp to reach to all corners of your work bench. The maximum clamping thickness is 2.5″. The 2-Prong AC power cord is 4′ long.