>>>>>>>18*28mm Camera size&IP68 water mini DVR<<<<<<<Smallest HD underwater Fish Finder camera size:18*28mmHD dynamic shooting: 1920 * 1080; 1280*720;HDMI video output: 1920 * 1080/30fps(5 million pixels photograph)Large aperture lens without distortion(120°wide-angle lens)8 hours of 1080P photographing (5000mAh Li-battery)64GB TF card (optional)10-20m HD data cable