BEILESHI 30X LED Jeweler's Loupe Illuminated Mini Pocket Magnifier(Sliver) All-metal magnifier; Illuminated by LED and ultraviolet lamp. Can be adjusted by turning the wheel and the bulb can pinpoint the light on the object. This 40X magnifier can be used for collectors, electronic engineers, scientists and students. Small enough to put in your pocket or purse. With LED lights that can be used in the darkness.