Perfect for the office, factory, school or home – our versatile 15” tall tabletop magnifying lamp provides magnification and lighting for virtually any task. Perfect for industrial inspection and quality control, assembly or repair functions, reading and general desk or workstation lighting. The 4” diameter round glass lens provides 1.75 magnification – suitable for most applications. For more detailed work – this magnifying lamp includes a spot magnifying lens that increases the magnification to 4X. Two magnification levels - 3 Diopter 1.75X magnification and 12 Diopter 4X magnification 4” diameter round glass lens with hinged protection cover 40 energy-saving LED lights provide bright and cool illumination 15” tall lamp with swivel head and folding arm allows for easy positioning of objects being viewed Sturdy 3 lb. lamp is made of durable plastic which can easily be cleaned Swivel head and adjustable arm allow for precise positioning 58” long cord Allen wrench for tightening arm included