Unilux Magnifier Lamp has very powerful fluorescent lighting (22 W) for this magnifying lamp necessary to meticulous tasks such as artwork, crafts, needlework, jewerly, microelectronics, dermatology, dental prosthetics, manicure or any work at home requiring precision Double articulation with spring balanced arms. The total length reaches 100 cm wich makes it very easy to adjust 3 diopters magnifying (x1, 75) Electronic ballast, switch on the lampshade 1 year guarantee