5 diopter (2.25X magnification) glass lens.Even, shadow-free light under the magnifying lens with 22-watt T5 circular fluorescent tube will make it easier for you to see and enjoy the activities longer.The flexible gooseneck allows you to angle and point the light to where you need it most.Clamps easily and securely onto most flat surfaces up to 65mm thick.Dust-proof cover for lens protection.