Useful tool in soldering and modelling field. With interchangeable magnification, the two auxiliary lens are stretchable and angle-adjustable, making the operation more comfortable. 3 kinds of magnifying lens: 2.5X 90mm (diameter), 7.5X 34mm, 10X 34mm. An independent bright illuminating light with 5 pcs of LEDs is installed on flexible metal tube. Distance and angle of lights can be adjusted freely. It can be used as a desk lamp. The support clamps and alligator clips are adjustable. Ideal tool when third hand is required. The base is padded with steel sheet to increase base weight and reinforce stability. Powered by external power adapter of 3 * AA batteries (not included). Application range: electronic welding, modelling, stamp collecting, embroidery, antiques, biological observation, reading, etc. : Color: black + silver Lens diameter: 90mm & 34mm / 3.54in & 1.34in Power: external power or 3 * AA Battery (not included) Plug standard: US plug Welding holder size: length 6.3cm/2.48in, Diameter 2.7cm & 1.8cm/ 1.06in & 0.71in Package including 1 * Base Stand & LED Light 1 * 90mm Diameter Lens 2 * 34mm Diameter Lens 1 * Power Adapter 1 * User Manual