Optics head magnifier
Model: MG81001-B
Spec: Optics head magnifier, with four piece of real Optical lens, 1.7x 2x 2.5x 4.5x power, good durable material, hight quality.
packing: single be packed in OPP bag, color box, 6pcs per inner box, 24 or 48pcs per carton
weight:13KG/11KG
SIZE of carton:68.5x57.5x45.5cm

1) The character istics of automatic booster
2) it can make the voltage of two AAA batteries increase from 3v to 4.5v and enhance the brightness of LED lamp.
3) It can be continuously used for 30 hours without change of brightness.
4) Even if the battery only has 30% energy and the voltage is 1.5Vl, it can be normally used too.