Illuminator: Supplement Light Type: IR,White Light Supplement Light Range: Up to 40 m Smart Supplement Light: Yes Video: Main Stream: 50Hz: 20fps(4608 × 2592) 25fps(3840 × 2160, 2688 × 1520, 1920 × 1080, 1280 × 720) 60Hz: 20fps(4608 × 2592) 30fps(3840 × 2160, 2688 × 1520, 1920 × 1080, 1280 × 720) Video Compression: Main stream: H.265/H.264/H.264+/H.265+, Sub-stream: H.265/H.264/MJPEG Third stream: H.265/H.264, *Third stream is supported under certain settings. Audio: Audio Type: -2U: Mono sound Audio Compression: -2U: G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC Audio Bit Rate: -2U: 64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/16 Kbps to 64 Kbps (AAC-LC)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3) Environment Noise Filtering: 2U: Yes Network: Protocols:TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets, SRTP, SFTP Security: Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.1/1.2/1.3, host authentication (MAC address) User/Host: Up to 32 users
3 user levels: administrator, operator, and user