Headband magnifier (ca.138g) in plastic/black ca. 160g with additional light source and 2 batteries (AAA) (batteries included) Double lenses with the following magnifications:1.2x/1.8x/2.5x/3.5x Lens dimensions: 100 x 50mm The lenses can easily be switched through a simple click system LED light can be adjusted If the lens is not necessary, it can be folded up Adjustable to head size Perfect for different types of precision work Here are the different magnifications (x) and their respective working distance (mm): 1.2x: 520-620 mm 1.8x: 230-320 mm 2.5x: 150-250 mm 3.5x: 80-120 mm Fields of application: Whenever working hands-free is necessary: model construction, in the laboratory…