2 LED illuminating lamps has enough brightness and can ensure better effect. Distance of lens and position can be adjusted freely to meet different needs 3 AAA batteries(Without battery) can completely ensure the voltage required by LED lamp. With clamp design at the bottom of the metal hose, the magnifier with LED light can be firmly fixed on the desk. An ideal tool for people who are devoted to fine work such as collecting coins/stamps, jewelry appraisal, miniature engraving, embroidering, electronic repair