Image distance: 3cm-infinity/normal 1cm-2cm/Mini, distance Dynamic area: Better than 72dB Interface: USB1.1, hot Plug & Play Long-distance monitor: application for monitoring of society order dynamic area,family,factory,building base,parking and so on Features:Resolution: 380K Pilxel, 1/3 sensor Max. 800*600. 640*480 can reach 30fps Adopt optics glasses, multi-layer plating film, strongly ...