Jht640-75 is based on a higher resolution 640,480, 17,m pitch detector for long range surveillance, optional 320,240, 17,m pitch detector for medium range is also available. The binocular can be effectively used 24h, delivery high quality picture help personnel find the heat signature of people or other threat if hiding under trees and bushes even in total darkness, smoke and fog environment. Features: L integrating function of capture photo, record video and reviewing, which can be output by usb L power control, contrast and brightness adjustment, image polarity conversion and 2,, 4, digital zoom L binocular viewer display, contact with external display device is also available L support up to 32gb sd card L complete, free from dents, blister, cracks, chipped or sharp corners and other visible defects that can effect its serviceability and appearance L small size, light weight and easy operation L compact structure and high reliability.