| Audio | 
| 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)/32 to 192
Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC) | 
| Audio Sampling Rate | -2U: 8 kHz/16 kHz/32 kHz/48 kHz | 
| 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 | 
| Simultaneous Live View | Up to 6 channels | 
| API | ONVIF (Profile S, Profile G), ISAPI, SDK, ISUP | 
| User/Host | Up to 32 users
3 user levels: administrator, operator, and user | 
| Security | Password protection, complicated password, HTTPS encryption, IP address filter,
Security Audit Log, basic and digest authentication for HTTP/HTTPS, TLS 1.1/1.2/1.3, WSSE and digest authentication for Open Network Video Interface | 
| Network Storage | NAS (NFS, SMB/CIFS), Auto Network Replenishment (ANR),
Together with high-end Hikvision memory card, memory card encryption and health detection are supported. | 
| Client | iVMS-4200, Hik-Connect, Hik-Central | 
| Web Browser | Plug-in required live view: IE 11,
Plug-in free live view: Chrome 80+, Firefox 80+, Edge 89+, Safari 13+, Local service: Chrome 80+, Firefox 80+, Edge 89+, Safari 13+ | 
| Image | 
| Image Parameters Switch | Yes | 
| Image Settings | Rotate mode | 
| Day/Night Switch | Day, Night, Auto, Schedule | 
| Wide Dynamic Range (WDR) | 120 dB | 
| SNR | ≥ 52 dB | 
| Image Enhancement | BLC, HLC, 3D DNR | 
| Privacy Mask | 8 programmable polygon privacy masks | 
| Interface | 
| Ethernet Interface | 1 RJ45 10 M/100 M self-adaptive Ethernet port | 
| Audio | Built-in Microphone:
-2U: Arrayed dual-microphone
-S: 1 input (line in), two-core terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium
1 output (line out), two-core terminal block, max. output amplitude: 3.3 Vpp, output
impedance: 100 Ω, interface type: non-equilibrium | 
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512 GB | 
| Alarm | -S: 1 input, 1 output (max. 12 VDC, 30 mA) | 
| Reset Key | Yes | 
| Event | 
| Basic Event | Motion detection (support alarm triggering by specified target types (human and
vehicle)), video tampering alarm, exception | 
 
Chưa có đánh giá nào.