Features Main Function: The multifunctional LED top mount magnifier is specially designed for components inspecting. You can work more efficiently by expanding the articles. Wide Applicayion: 3X, 4X, 5X, 6X, 7X, 10X different magnifications, it can be combined into 21 kinds of combinations to meet differnent needs. Anti-Slip Design: The anti-slip design of the head, which is not easy to fall off when worn on the head, frees the hands in the experimental observation and makes the work more efficient. Suitable For: Perfect head wearing magnifier, suitable for close up work like precision parts detection and watch repairing. Two LEDs: Two LEDs with interchangeable cold and warm lights, fully illuminating the viewing area for easy recognition. Specification: Condition: 100% Brand New Item Type: Magnifier Material: ABS+Acrylic Optical Lenses+Metal Accessories Multiplier: 3, 4, 5, 6, 7, 10X (can be combined into 21 multiples) Lens Focus Length: 20-166mm / 0.8-6.5in Lighting Source: 2 LED lights Battery: 3 x AAA Battery (not included) Package List: 1 x Magnifier 1 x Instruction 1 x Wiping Cloth 2 x Lampshade 1 x Storage Box Package List 1 x Magnifier 1 x Instruction 1 x Wiping Cloth 2 x Lampshade 1 x Storage Box