Ideal for precision work the LED Desk Magnifier Task Lamp comes with a weighted base and can also be used with a clamp as well. The design offers shadow-free lighting around 3.5" diameter of the working area, for better visibility when accuracy and precision are important. Features and Benefits 5.4W LED offers good illumination for precision work Lens Diameter 3.5" with 1.75 magnification for easier to see detail 3D for improved visuals during intricate working Typical Applications Designed for use on tables or clamps for precision work