The electronic eyepiece is specially designed and developed for the digitization of traditional optical microscope It has the characteristics of simple installation, strong universality and easy use. Through USB cord connection, microscopic-image can be easily collected-and stored on PC and mobile-devices. The optical interfaces is the size of standard eyepiece, which is applicable to all kinds of microscopes with an inner diameter of 23.2mm. Realistic restoration of color. High frame rate output. Drive-free, plug-and-play, can support and other operating-system. Pixel:200W Color:Black Material:plastic Package Contents: 1 * Electronic Eyepiece 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.