NEW XIAODA 3X Smart Gravity Sensor Handheld Magnifier Loupe with 45 LED Lights from YoupinMake both of hands free Supporting glasses magnifier with LED lamp Multiple combination of lens as you wanted Eight lens with changeable magnifying multiple are attached 10X 15X 20X 25X Before you make your order with this please notice that this magnifier Observing Distance is 20 50mm Suggest 30mm It s pefect for watch repair drawing etc which need a close distance Please confirm whether this one is your need If you want for other uses thanks Description Portable Head Wearing Magnifying Glass 10X 15X 20X 25X LED Double Eye Repair Magnifier Loupe Features 2 adjustable LED lights Detachable elastic silica gel headband High quality that durable enough for daily use This head wearing magnifier is more practical than handheld one 4 lenses in different magnifications for your choice 10X 15X 20X 25X and they are very easy to be switched Portable for home office classroom laboratory watch shop or jewelry shop using Applicable to industry electronics education geography miniature engraving timepieces repair insects observing coins and stamps collecting etc Specification Color GrayLens Quantity 8 2pcs 10X 2pcs 15X 2pcs 20X 2pcs 25X Lens Magnifications 10X 15X 20X 25XObjective Lens Size 15 8mmOcular Lens Size 20mmMaterial Optical Glasses PlasticTwo Wearing Manner Head StrapObserving Distance 20 50mm Suggest 30mm Head circumference about 590mmPower 2 AAA batte