Versatile Applications: The Light Strip Magnifier Is Designed For Your Various Tasks, Such As Reading, Eyelash Extension, Watch/Phone Repair And Soldering. Ideal For Watchmakers, Electricians, Model Makers, Hobbyists, Craftsmen And Dentists. Multi Lenses Interchangeable: Single Plate Objective Magnification: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X, 8X; Bi-Plate Objective Magnification: 2.5X, 3.0X, 3.5X, 4.0X, 4.5X, 5.0X, 5.5X, 6.0X; You Can Choose To Use Them Individually Or Two At A Time Or Add A Round Auxiliary Lens (8X), You Can Get 11 Types Of Magnification: 9X, 9.5X, 10X, 10.5X, 11X, 11.5X, 12X, 12.5X , 13X , 13.5X, 14X. 3 Bright Leds Powered By 3 Aa Batteries (Not Included): Break The Limit Of Traditional Electric Circuit For Power Supply By Simply Installing 3 Aa Batteries (Not Included) And Go Anywhere. The Angle Of The Headlamp Can Be Adjusted Left/Right/Down, And This Part Can Be Disassembled As A Portable Flashlight. Crystal Clear Vision: High Clarity Optical Lenses With Good Magnification In One Case Strong, Space-Saving And Protective. Ideal For Longer Storage And Easy To Change. Lightweight And Comfortable: Soft And Breathable Sponge Padded Headband To Ensure Great Comfort When Wearing, Well Adjustable And Sits Comfortably On The Head, Ideal For Hands-Free Applications.