Name:Portable USB Video Borescope Model:TP1677 Our NEW industrial Flexible USB Video Borescope (videoscope) is a whole new innovation that we use in digital image transfer instead of transferring analog image through optical fiber. Below is the brief technical data for your reference: 1.no fiber optic bundle, with LED lamp and micro camera technology. 2.apply together with PC by USB and carry with our unique software. 3.Auto focuse function. 4.The insertion tube length is 36" (1 m), and only 10mm in outer diameter. 5.The resolution is 400, 00 pixel. 6.Using USB 1.1 format, it should be workable together with 2.0 format. 7.lighting calibration to allow always better image. 8.Can enlarger screen display through the PC monitor, and record any pictures optionally. Each unit is packed in an aluminum case, including 1x USB cable and 1X CD driver. Welcome to do business with us, thanks! 3w+t0pwell-tec+c0m