400X MAGNIFICATION MICROSCOPE: The microscope needs to work with the cell phone magnification function in order to realize 400X magnification.400X microscope head to take photos, which can be widely used for microscope observation. CLEAR IMAGES: HD optics, simply connect the microscope to your smartphone's native camera to take great magnified high resolution photos and videos. SELF CONTAINED LIGHT: The 400x microscope lens comes with its own LED light, which lights up red when charging and green when full, with a 2 hour battery life. FULL WRAP AROUND DESIGN: 360 degree protection to prevent the bezel from falling off without damaging the machine or the lens. EASY TO USE: No app required. Just adjust it to your cell phone camera and shoot. The cell phone optic lens has a compact body for easy storage, and the slide in mount allows for quick installation and removal.