Headband Glasses 5 Lenses Single-plate Bi-plate Lens LED Light Magnifier Single-plate lens magnification :1.0X 1.5X 2.0X 2.5X 3.5X Bin-plate lens magnifications :3.0X 4.0X 5.0X 5.5X 6.0X LED lights : YES,UV lamp: NO,Carry the battery:NO please absolutely do not see the direct sunshine through the lens because it may scald your eyes. Under sunshine,please do not put it at window or at the focus of combustibles.the operation of the electronics industry inspection , processing, installation and repair . facial skin , the pores observed in the beauty industry , manicure, ear and mining . sculptures and works of art appreciation . cameras, watches and other inspection and repair. usually people use when reading , especially for the elderly and students read in dim light . dentists , tailors and embroidery work. finance , taxation, stamp collecting , jewelry , printing, agriculture and other product characteristics.