YYS SPY Watch Eyeglass Repair Magnifier Head Mount Magnification with 2 LED Lights Double Eye Loupe Jeweler Magnifying Glasses for Close Work with Replaceable Lenses (10X 15X 20X 25X)

?Single Eye Observation: Considering its character of area observation, it is suggested to observe with one eye. It can't focus when you use two eyes lens at the same time ?Focal Length: The higher magnification is, the shorter focal length will be. Adjust focal length from 0.2 to 1.8 inch (0.5-4.6cm) by changing different lens ?Replaceable Lens: 4 Pairs of lens with different magnifications (10X, 15X, 20X, 25X) are included. For a larger grand review please refer to lower magnification ?Humanized Design: With adjustable LED light, it can help you work in the low-light. Detachable bracket and headband ensure tight wearing and reduce fatigue ?Wide Using: It can be used in mechanical processing, nail art, beauty&makeup,electronic repair, jewelry appraisal, timepieces repair and miniature engraving etc Features: Left and right double eye patches magnifier with LED 4 different magnifications can be interchanged quickly Bracket and headband is interchangeable to each other It can be used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving etc. Easy to use and change lens 38 cm headband with elasticity Resin lens + plastic frame Specifications: Type: Magnifier Color: Black Magnification:10 X, 15 X, 20 X, 25 X Package weight: 0.165 kg Product size : 7.48 x 5.51 x 2.36 inches Package size : 5.91 x 4.80 x 2.36 inches Material: Glasses,Plastic Power By: LR1130 Battery LED Quantity: 2   Package Included: 1 x Magnifier 6 x Change Lens 1 x Headband 1 x User Manual