Specifications:
Material: ABS Plastic + Optical Lens
Magnification: 10X, 15X, 20X, 25X
Net Weight: 120g / 4.24oz (Including 4 Pairs of Lenses)
Battery: 3*2 LR1130/AG10 Button Cell
Distance Between the Magnifying Glass and the Object to be Observed:
10X: 0 - 27mm
15X: 0 - 18mm
20X: 0 - 13mm
25X: 0 - 10mm

Features:
1. 4 pairs of interchangeable lenses, choose different lenses to work according to your needs.
2. Left and right double eye patch magnifier with LED light.
3. Both left and right eye cups can be flipped up 180 degrees, also can be moved to the left/right by 5 mm.
4. The stand and headband can be removed and used alternately.
5. Headband magnifier is lightweight, portable and durable.

Operation Instructions:
1. Select the lens with the magnification you need and install it.
2. Wear the head-mounted magnifier correctly. (If you wear glasses, please remove them).
3. Select the left/right eye for observation according to your needs. (Only ONE EYE can be Used)
4. Select the appropriate viewing distance according to the magnification of the selected lens.
The distance between the magnifying lens and the object to be observed.
10X: 0 - 27mm
15X: 0 - 18mm
20X: 0 - 13mm
25X: 0 - 10mm
5. If you cannot see the object clearly, please wipe the lens or adjust the focal length and observation distance for your own situation.

Package:
1* LED Illuminated Binocular Magnifier
2* 10X Lens
2* 15X Lens
2* 20X Lens
2* 25X Lens

Notes:
1）If the product does not work, please adjust the focal length and look closer.
2）If it is still hard to see, please check if the lens is dirty, please wipe the lens with a clean cloth and then put the item closer to see.
3）Please note that only one eye can be used for observation.