Useful magnifier with interchangeable magnifying lens and illuminating led lights, it can be widely applied to electronic welding, modelling, stamp collecting, embroidery, antiques, biological observation, reading, etc. <br> The support clamps and alligator clips are adjustable. <br> Ideal tool when third hand is required. <br> The base surface is padded with steel sheet to increase base weight and reinforce stability. Powered by external power adapter of 3 * AA batteries (not included). <br> Application range: electronic welding, modelling, stamp collecting, embroidery, antiques, biological observation, reading, etc. <p> <b>Specifications:</b> <br> Color: black + silver <br> Lens diameter: 90mm & 34mm / 3.54in & 1.34in <br> Power: external power or 3 * AA Battery <b>(Not Included)</b> <br> Power adapter: Input 110-240V 50/60Hz, Output: DC 4.8V 250mA <br> Plug standard: EU plug <p> <b>Tips</b> <br> we will provide a free Converter US standard to ensure your normal use <br> Welding holder size: length 6.3cm/2.48in, <br>Diameter 2.7cm & 1.8cm/ 1.06in & 0.71in <br> Base size: 10 * 6.8cm / 3.94 * 2.68in (L * W) Item weight: 550g / 19.4oz <br> Package size: 17 * 12 * 9.5cm / 6.7 * 4.7 * 3.7in <br> Package weight: 625g / 22oz <br> Package including: <br> 1 * Base Stand & LED Light <br> 1 * 90mm Diameter Lens <br> 2 * 34mm Diameter Lens <br> 1 * Power Adapter <br> 1 * User Manual <br>