1Easy to install, strong universal and easy to use. 2Connected via USB cable, which can easily collect and store microscopic images on PC and mobile devices. 3The 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. 4Especially suitable for users who need digital traditional microscopes but have limited budget. 5It can work seamlessly with microscope interface. High frame rate output and true restore slice color. 6Drive free, plug and play, support for Windows/ for Linux/ for Android and other operating systems. 7Professional micro image software is included. Item Type: Microscope Electronic Eyepiece Material: Aluminum Alloy Color: Black Computer Interface: USB 2.0 Microscope Interface: 23.2mm/ 30mm/ 30.5mm interface optional Pixel: 5 MP Chip: 1/3APTINA COMSTransmission Rate:2@2592-1944 10@1024x768 (YUV) 12@2592x1944 30@1024x768 (MJPG) 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 Weight: Approx. 172.1 g border: 1px solid000important;}1 x Microscope Electronic Eyepiece1 x 30mm Adapter Ring1 x 30.5mm Adapter Ring1 x Software CD1 x USB Cable