Net Weight: 286g
Weight: 235g approx.
Material: Plastic
Size: 24 x 18 x 5cm ( L x W x H ) approx.
Fixed lens magnifier: 4X-89 x 29 mm (L x W)
Flip lens magnifier: 4X-89 x 29 mm (L x W)
Round Single-eye magnifier: 5X -29 mm (dia)
Power by: 2 x AAA batteries (Not included)
Adjustable perimeter of headband: 21.26-27.17inch / 54-69cm

It can be quite easily used under the following conditions:
1. Operate or read at a dim or dark place
2. Interesting work such as carving, handcraft and sewing
3. Assemble or repair small fitting
4. Check the finished product
With detachable light source box, which is easy to take out.
You can also use this product even if you wear glasses.
Dial adjustment headband conforms to comfortably fits most head sizes.
There are two parallel lens assembly parts, and you can also overlap two lenses for getting a higher magnifying multiple.
2 Bright LED Bulb to illuminate Viewing Field.