Full Spectrum Natural Daylight Effect Magnifier Task Lamp with 3 Diopter Glass Lens and Desktop or Clamp-On Mounting Options Powerful 3-diopter glass magnifier lens with protective cover enlarges 175% Included 12W full spectrum bulb provides vivid and glare-free natural daylight effect Compact design stands 19 inches tall and includes heavy weighted base for desktop convenience 3-point adjustable architect style arms for close work, hobbies, crafting and more. Base: 6inches H x 8inches W x 2inches D Dual mounting options include both heavy duty weighted desktop base and a grip-tight clamp for mounting on various work surfaces