Plugs into a laptop or any other USB port including most newer vehicles. It is just the right size to carry with you to a jobsite or to mount in a van. It clamps to any work bench or table that is 2.1″ or less thick. The lamp weighs less than 2 pounds with the clamp mount and the lamp folds up to about 16” x 6” x 2”. 

Features:

• 5X Magnification 4.4 inch Distortion-Free Glass Lens
• 10 Levels of dimmable light with 3 color modes, 10 levels of brightness up to 960 lumens.
• Highly Adjustable Swing Arm that adjusts 220° up and down, and 350° swivel. The two 15 inch swing arms can be extended up to 28 inch. The arms have 3 knobs & 4 springs to keep it stable.
• Easy Installation with a sturdy metal clamp that can be clipped on any flat surface (max thick less than 2.1 inch), such as a desk, table, workbench or shelf. It also includes a free-standing base mount to sit on a work bench or desk.