The headwear magnifying glass is made of high-quality materials and is durable. You can freely adjust the tightness of the headband to a comfortable level, because its elastic band is more firmly and comfortably fixed on your head, will not slide, free your hands, and focus on observation.The LED lamp cap and the battery compartment of the control switch are designed separately, so that the illumination point of the light source does not change during the operation, and there is no need to recalibrate the illumination point during repeated operation. The eyepiece can move 5cm left and right on the bracket, the width of the face and the distance between the eyes Magnifier repair kit - 1 x spectacle frame, 2 x 10x magnifying glass, 2 x 15x magnifying glass, 2 x 20x magnifying glass, 2 x 25x magnifying glass, 1 x headband, 1 x user manual in Chinese and English