Head Wearing Magnifying Lamp NV-289 Head Wearing Magnifying Lamp. 1.Functions : * There are four multiples for lens: 1.2*, 1.8*, 2.5*, .5*.It is very convenient for exchange the lens. Two bright LED lamps, can adjust the height and angle, the adjustable head wearing belt. Adjustable lens, wide view, the material: ABS, PMMA, PP, PTR, etc. Special 2LED lamps, high bright and saving power. Main ...