Features 1、It can work seamlessly with microscope interface. High frame rate output and true restore slice color. 2、Drive free, plug and play, support for Windows/ for Linux/ for Android and other operating systems. 3、Connected via USB cable, which can easily collect and store microscopic images on PC and mobile devices. 4、The optical interface adopts international standard eyepiece size, suitable for all kinds of microscopes with inner diameter of eyepiece tube of 23.2mm, 30.0mm or 30.5mm. 5、Professional micro image software is included. 6、Especially suitable for users who need digital traditional microscopes but have limited budget. Specification Item Type: Microscope Electronic Eyepiece Material: Aluminum Alloy Color: Black Computer Interface: USB 2.0 Pixel: 1.3 MP Chip: 1/3 APTINA COMS Transmission Rate: 10 @ 1280x1024 30 @ 640x480 Operating System: For Windows/ for Linux/ for Android and other operating systems Application: Microscope with inner diameter of eyepiece tube of 23.2mm, 30.0mm and 30.5mm Target Surface Size: Appprox. 4.6x3.7 mm/ 0.18x0.15 inch Weight: Approx. 173.1 g Package List 1 x Microscope Electronic Eyepiece 1 x 30mm Adapter Ring 1 x 30.5mm Adapter Ring 1 x Software 1 x USB Cable