"Resolution 1920x1080, 2mp Sensor 1/2.8"" Sony IMX327 CMOS Low illumination 0.05Lux(color mode),0.01 Lux(black-white mode) WDR Support DWDR, s80dB SNR ^50dB (AGC OFF) Gain control Automatic/manual White balance Automatic/manual Digital noise reduction Support 3DNR Exposure mode Program, manual Electronic shutter 1/50-1/1000s Day-night mode Fixed black and white / color optional Focal length 4.6mm ~ 184mm Optical zoom 40x Digital zoom Support frame selection zoom in Aperture value F1.6-F4.3 FOV Wide:59.0a*33.68 Tele: 2.4°><1.40 Multi-stream Support dual encoding Video compression H.265/H.264 High profile Audio compression G711A Maximum resolution 1920x1080@25fps Video resolution Main stream: 1920x1080, 1280x960, 1280x720 Sub-stream: 640*480 Output code rate CBR or VBR, code stream can be set range: main stream 512Kbps~4096Kbps; sub stream 64Kbps-1024Kbps Character overlay Support channel name,date and time overlay,the overlay position is adjustable; Number of visits Supports simultaneous access by up to 8 users Network protocol TCP/IP, HTTP, NTP, IGMP, DHCP, UDP,SMTP,RTP,RTSP,ARP,DDNS,DNS HTTPS, 802.1X, P2P Onvif protocol Stanard Onvif 2.4 GB28181 Support "