Visual Mate II Magnifying Lamp is durable lightweight powerful and easy to use. Designed for maximum flexibility so you can hold it or wear it from a hanging strap. Weights only 11 oz. and uses an 18 watt energy saving circuline tube (included). Great for detailed needlework jewelry making reading close-up study of stamps or coins and for detailed work such as blueprints and patterns. Cool to the touch won"t generate heat even after prolonged use. Includes a built in handle adjustable neck strap 10" cord that plugs into any standard AC outlet and a plastic shield that protects fluorescent tube. UL and CUL approved for United States and Canada. The distortion free hardened acrylic lens measures 5. 3 Diopter Lens White.