Description 1 With detachable light source box which is easy to take out 2 The angle of lamplight can also be adjusted freely 3 The lens assembly parts are added to two you can also overlap tow lenses 4 You can also use this product even if you wear glasses 5 Dial adjustment headband conforms to comfortably fits most head sizes 6 There two parallel lens assembly parts and you can also overlap tow lenses for getting a highter magnifying multiple 7 2 Bright LED Bulb to illuminate Viewing Field 8 It can be quite easily used under the following conditions 9 Operate or read at a dim or dark place 10 Interesting work such as carving handcraft and sewing 11 Assemble or repair small fitting 12 Check the finished product Specifications 1 Material of lens Acrylic resin Processed by crack proof rigid coating 2 Main Materials ABS resin PP resin3 Fixed lens magnifier 4X 89 x 29 mm L x W 4 Flip lens magnifier 4X 89 x 29 mm L x W 5 Round Single eye magnifier 5X 29 mm dia 6 Power by 2 x AAA batteries Not included 7 Color Black8 Size 25 x 19 8 x 6 5 cm L x W x H 9 Adjustable perimeter of headband 21 26 27 17inch 54 69cm Package included 1 x 10X Lighted Headset Head MagnifierDetail Pictures