Software functions: Digital image control such as automatic brightness, automatic exposure, automatic white balance, etc., manual adjustment of brightness, contrast, saturation, clarity and gamma value. Interface size: 0.91-inch standard microscope interface, can be connected to astronomical telescopes Scope of application: microscope (0.91 inches) / astronomical telescope (1.25 inches) Interface type: high-speed USB interface Driver type: system driver-free High definition 130w pixel. Plug and play, very convenient. Free drive USB 2.0 interface 1.3 million pixels Resolution: 640x480/320x240 Chip size: 0.22Inch Maximum frame rate: 30fps/second Product size: 54x44mm Colour:Black Material:ABS Package Contents: 1 * Electronic eyepiece camera 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.