Illuminator: Supplement Light Type: IR Supplement Light Range: Up to 40 m Smart Supplement Light: Yes IR Wavelength: 850 nm Video: Main Stream: 50 Hz: 12.5 fps (4608 × 3456) 20 fps (4608 × 2592) 25 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 15 fps (4608 × 3456) 20 fps (4608 × 2592) 30 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) Video Bit Rate: 32 Kbps to 24 Mbps Bit Rate Control: CBR,VBR Audio: Audio Type: -2U: Mono sound Audio Compression: -2U: G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC Audio Sampling Rate: -2U: 8 kHz/16 kHz/32 kHz/48 kHz 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) Network Storage: NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR) User/Host: Up to 32 users 3 user levels: administrator, operator, and user