This multi-functional head magnifier:
With two LED lamps
With automatic voltage booster, which can change the voltage of two AAA batteries from 3V to 4.5V and give enough light.
The efficiency of LED lamp is over 10 times of ordinary peanut bulb.
With Four 3D lens (1.2x 1.8x, 2.5x 3.5x)
With 2 AAA batteries
This magnifier is broadly applied to manfuacturing and processing precise products, and repairing camera, electric chemical product, electronic part of vehicle and computer etc.
This magnifier is also suitable for the works of dentists, beast doctors and beauty staffs, jewel processing, sewing, embroidery, stamp collection, reading, drawing and so on.
This magnifier is also helped that the fishing lovers with suitable ages can use this product.