Main material: ABS+acrylic lens.Product multiples: 8 times for the main mirror, 15 times for the extended lens, and a maximum multiple of 23 times.Product weight: 70 grams (net weight) including packaging 95 grams.The batteries are three (LR 1130) with small button electronics.Use distance range: the object is 6cm away from the objective lens and the range is suitable for use. Uses: Used for mechanical processing, electronic maintenance, watch maintenance, miniature engraving, printing industry, jewelry, antiques, calligraphy and painting, identification and other small things to check. Product selling point features: one lens 8 times, one lens 15 times, can be superimposed to reach 23 times higher, double multiples, multiples are flexible and available according to needs, the size of the spectacle frame is adjustable, with LED lights, two eyes are used in turn, and the brightness of the lights is adjustable. 1: Install two left and right LED magnifying eyecups on the glasses bracket, each eyecup is equipped with an 8x lens, and can be installed with a 15x expansion lens, so that the magnification can reach 23x Alternate use of the two lens barrels can relieve fatigue and improve work efficiency. When not in use, the lens barrel can be flipped up without removing the glasses. 2. The LED lamp head and the battery compartment of the control switch are designed separately, which can prevent the light source from changing when the switch is operated, and there is no need to re-calibrate the irradiation point when it is used repeatedly. 3. The LED light source has a 2-level adjustment function, which can be adjusted to soft light and high light respectively to cope with different light conditions. 4. The length of the spectacle frame is adjustable. Users can adjust the length of the frame according to their own face shape, making it more comfortable to wear. 5. The adjustable nose mop can be adjusted according to the shape of the measuring beam to adapt to various groups of people. 6. The position of the lens barrel can be adjusted horizontally on the bracket by 5mm left and right. It can be adjusted according to the shape of the face and the distance between the eyes to adapt to the center position of the eye mask. 7. The eye mask can be rotated 180 degrees up and down on the bracket, so that the whole frame does not have to be removed when the magnifying glass is not used temporarily. for easy reuse.