Video & Audio Image Sensor: 1/1.8' CMOS sensor Resolution: 3840x2160 (8 megapixels)@25fps Lens: f=4.0mm, F=1.0 IR CUT Video Compression: H.265/H.264 Digital Zoom: 10X Field of View Horizontal: 93.2° Vertical: 48.2° Diagonal: 111.6° Color Night Vision With spotlights: 4pcs/3w/3000K/400Lumens (Max illumination distance:15m) Frame Rate Main stream: 2fps - 25fps (default: 25fps) Sub stream: 4fps - 15fps (default: 10fps) Code Rate Main stream: 1024Kbps - 8192Kbps (default: 6144Kbps) Sub stream: 64Kbps - 512Kbps (default: 256Kbps) Audio: Two-way audio