... NTSC) signal , and output CVBS signal. With video recording,take picture,display,output,OSD clock fold-up ... functions,the time of video recording& display effect, clock control can be ... OSD menu . the product is main use for video door phone or other electronic display equipment . 2 ... It will not lost the info when power off.Video recording format : MJPEG 25fps4) Work voltage(power ...