The Ilford Ilfolux Color Viewing Lamp is a compact, portable, and affordable solution for evaluating colors. Perfect for hard proofing prints to your calibrated computer monitor. Photographers, artists, graphic designers, and printers can now reference images, digital art, design work, and color swatches under standardized lighting conditions to assist in print matching. Ilford Ilfolux Viewing Lamp features four touch-controlled color temperature settings - 3000K for tungsten-balanced light, 4000K for a middle warm light, 5000K, and 6500K for daylight-balanced light. A built-in diffuser and desk mounting clamp are included. The lamp does not emit UV Radiation. USB-powered connection - Input DC5V 2A. Lamp life approx. 40,000 hours, Light angle 120°, Operating temperature 50°F-104°F (10°C-40°C), 12 Month Warranty