Feature: 1. Ergonomic modeling design, comfortable hand feelings, double optical glass lens, more clear magnifying effect. 2. Pressing LED lamp auxiliary lighting, single press for auxiliary lighting, press twice for purple lighting. 3. The lens can be stretched and transformed magnification times, the handle can rotate 180 degrees. 4. Very widely used, can be used for jewelry observation, electronic parts repair, observation of plants, handicrafts, stamps and so on. 5. The magnifying glass with scale ring, more convenient observation and easy for operation. Specification: Item Type: Magnifying Glass Material: ABS, Acrylic Lens Size: Approx. 149 x 80mm / 5.9 x 3.1in Battery: Built-in 4pcs button batteries, battery model LR1130, capacity 65mAh Magnification Times: 10X, 15X, 20X, stretchable Usage: 1. When observing a plane object, place the magnifying glass directly on the object and move it horizontally.When observing irregular objects, you need to press and remove the transparent cover, rotate the handle to the desired Angle, and then place the magnifying glass above the object by hand, and adjust the distance and Angle between the lens and the object. 2. The lens part can be adjusted by stretching, 3 gears are 10X, 15X, 20X. 3. The power switch is adjustable in 2 levels. Press once for white light, and the second time for purple light, and then press once for off. 4. Use 4 LR1130 button batteries. Replacement method: unscrew the screw on the battery cover and remove the battery cover to replace the battery. 5. Please remove the battery if the product is not used for a long time. Package List: 1 x Magnifying Glass 1 x Manual