HD 10X Magnification - Maximizing sharpness was one of the biggest priorities when building this device, the first class optics excellent edge magnification free from spherical and chromatic aberration. Polarized and Non Polarized Light - Polarized dermatoscopes, like non-polarized dermatoscopes, contain light-emitting diodes to provide illumination and are equipped with a magnification lens. However, polarized dermatoscope use two polarized filters to achieve -polarization. Hence, it does not require direct contact with the skin, and do not require the use of immersion liquids. The DE-400 dermatoscope can be switched to both polarized and non polarized light model, available in different lesion diagnose situation. Phone and Tablet Compatibility - The universal lens clip attachment gives the ability to attach dermatoscope on smartphone or tablet and take pictures, so the lesions can be captured and scrutinized.Best part It compatible with all phone in the market, with a universal lens clip or a and off phone cover. Charging - With built in 200mAh Lithium ion battery, the dermatoscope can constantly working at least 90 minutes, and it can be by USB-C cable. Like a scalpel, the dermatoscope is an awesome instrument in trained hands. It's also a great tool for self-diagnostics with the help of dermatologist or dermascope App. Bright LED illumination Polarized and non-polarized lighting Contact and non-contact imaging 10x Magnification Full frame display on phone Universal lens clip available for all phone and tablet Easy to handle and focus Lithium ion battery and USB-C charge Automatic shut down High quality but affordable Optical Design:All glass, 4 elements, 4 groups Magnification:10X Distortion:2 percent Resolution:300 LP or MM (Axis) 250 LP or MM (Ed) Polarization:90 Polarized LED Type:SMD LED beads Battery Capacity:200mAh Lithium ion Charge:USB-C Colour:Black Material:Plastic Package Contents: 1 x Portable Dermatoscope Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.