Levenhuk Zeno Vizor HR Head Rechargeable Magnifiers are irreplaceable optical instruments for precision work that allow for selecting the appropriate magnification or turn them into safety glasses. The magnifier comes with lenses with different magnification that are easily combined. You can use an additional swivel lens for the right eye. If you do not need any magnification, just turn up the lenses or use a 1x lens. It turns this magnifier into safety glasses for construction works. This magnifier features unique capabilities for using optics.Apart from the functional optics, illumination is also worth mentioning. It is located in the center of the magnifier, powered by a rechargeable battery and consists of three LED lights. Battery charging: take the illumination module out of the magni?er&#39s body and plug the included micro USB-USB cable into your PC&#39s or adapter&#39s USB port. The illumination brightness is adjusted by pressing the ON button.This magnifier is an excellent ch