There are 3 kinds of magnifying lens of station, The 3X helping hand magnifier is for soldering, building models, electronic repair, DIY projects, jewelry, hobbies and crafts. While the 4.5X auxiliary spot lens and the 25X auxiliary lens add extra zoom when you need to see more intricate details. Features -Material: ABS, acrylic lens, aluminum alloy. -Size: About 24.00X18.50X9.00cm/9.43X7.27X3.54in. - Battery: 3 x AAA batteries(Not included). - Adjustable clips and holder, hold objects at any angle. - With a base for good stability. Include a holder for electric soldering iron. - Three lens with different magnifications: 3X/4.5X/25X. With LED lights, work very the dark environment. - Great product when a third hand is needed. A portable tool for soldering or repairing work, assemble products or model makers. - With interchangeable magnification, the three auxiliary lens are stretchable and angle-adjustable, making the operation more comfortable. Package list: 1 x soldering station