We are offering welding video detector1.objective lens multiple: 0.74.5;2.zoom ratio: 6.5: 1;3.supporting static image capture (jpg, bmp) and dynamic avi image capture;4.hardware and bottom software supporting exposure time, aberration, brightness, contrast and saturation such later stage image enhancement functions, image color rich and lifelike;5.completely supporting direct show, video for window, msn and all windows related application plug and play without external power supply;6. supporting durable aluminum alloy shell of standard c mouth lens and all kinds of custom lens;7. overall dimension: 220mm160mm380mm;8. weight: 12kg.