... D1 resolution video image, auto image and alarm 420/480/520 line, 0.5LUX, 1/3 SONY CCD night vision 50m ... Provide video loss, motion detection and sensor alarm functions * Support image masking, image capturing* Auto-retrievey function and auto- ... web alarm center), (WEB, client viewer)Technical Specification:Image Sensor 42S/42SN 420 line, 0.5LUX,1/3 SONY ... .x or above Infrared IP Camera CCD 480 TV line