Name: 24x Head-mounted Magnifying Glass;Material :ABS, acrylic lens;The unfolded size is 190X142X45mm;Folding size :142X45X40mm; Lens magnification: 2x, 4x, 6x, 10x, 22x (5 groups of different magnification lenses) The product lens contains a 2x lens (non-detachable). The combined usage ratios are:2X,2+4=6X,2+6=8X,2+10=12X,2+22=24X Product light source :2 LED lights;Power supply method: 2 CR1620 button batteries on each side (4 batteries in total for one product), comes with batteries at the factory Product light source :2 LED lights;Power supply method: 2 CR1620 button batteries on each side (4 batteries in total for one product), comes with batteries at the factory Specially designed to support delicate electronic work, such as PCB soldering, component inspection, and circuit board repair. The combination of magnification and LED lighting helps you clearly see fine details and solder joints. Color: Black Material: plastic Package Contents: 1*Product ,5 sets of lenses ,1* lens cleaning cloth ,1*Chinese and English instructions ,1*cloth bag ,1*neutral English color box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.