Magnifying : 5X Light source: 1 x LED lamp For seniors or people can read the book, the newspaper and the magazine with weak eyesight. With knob switch in a simple and fashionable design Product Name: portable magnifier magnifying : 5X Material: ABS Color: Black + White Dimensions: - diameter of the lens: 45 mm - length: approx. 8 cm - Width: approx. 5 cm : 2 x CR1620 button cell batteries Main functions: - Even for fieldwork, office, printing, manufacturing industry, home. Usage: Drag the magnifier to the position less than 150 angle in this case, the light source will not turn. The LED bulb works only in the dark during extension of the magnifier to the position more than 150 - 180 angle. delivery: 1 x magnifier 2 x button cell battery 1 x English user manual Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.