QZTELECTRONIC 30X Microscope Magnifier For Mobile Phone Turn on your camera and check out the close-up, zoom up to 30X magnification using your device's digital zoom Installation: directly connected to your media device, your device alignment microscope lens camera lens Mobile phone cannot be more than 12 mm thickness, No more than 22 mm for camera inside Note: for entertainment only, not for medical or other pratical use Powered by 3*1.5VAG3 (included); Compatible for iPhone Android