Unique switch design; Durable; 40X mirror surface=18mm; Features: 1, High power 2-LED white light, with long lifespan and high brightness, adopt advanced white glass optical lenses, make the effect clear and transparent; 2, Fingers touch oval switch lightly to light up; 3, Handle adopt ergonomics design; 4, Unique triangle battery compartments, fashion and elegant; Suitable for jewelry industry, printing industry, textile industry, electron industry and agriculture, forestry, food department.