AiS-NK683, 4K CCTV Network Video Recorder from Acumen, Taiwan
4K resolution ONVIF protocol support


12MP CCTV Network Video Recorder with 16 video channels

The AiS-NK683 is a CCTV Network Video Recorder with 4K, 12MP (2560 x 2048 pixels) 4 channel video, which works with IP CCTV cameras. This NVR is equipped with 1 x VGA and 1 x HDMI ports. It has 1/1 audio inputs/outputs to support audio recording from surveillance microphones and 16/4 alarm input/output ports for external input devices integration and that can be configured to trigger an event or alarm on the AiS-NK683.
This Surveillance Security NVR is equipped with 1 x RJ45 10/100
/1000Mb built-in high speed Ethernet controller and can be connected to 8TB Hard Disc Drives, 8TB x 8 x 3.5" HDD. AiS-NK683 supports various monitoring through iOS and Android mobile devices as well as multiple web-browsers: IE, Chrome, Firefox, Safari. Additionally this NVR has CMS software, compatible with multiple language system (20 languages).


  • Multiple high-definition network camera access up to 4K resolution
  • Simultaneous support of HDMI
  • Web, Ai-CMS, AiS Viewer platform, provide SDK development
  • Multiple cloud technology, network penetration, alarm information pushed to your phone and other functions
  • Multiple network services (support DHCP, FTP,DNS, DDNS, NTP, UPNP, EMAIL, IP searches, Alarm Center)
  • ONVIF protocol
  • Several mobile system (iOS, Android)
  • Multiple web browser access (IE, Chrome, Firefox, Safari)
  • More than twenty languages
  • Perfect protection circuit, unique triple watchdog function
  • Visit remotely, built-in ARSP, remote monitoring
Main processor Hi3536
Operation system Embedded Linux

4/9/16 channels

Video input


Decode H.264/H.265
Monitor quality Max 4K
Playback quality 4K/5M/4M/1080P
Standard Video: PAL, NTSC; Audio: G.711A
Motion detection Optional (depends on connected camera)
Record mode Manual > Alarm > Dynamic Detection > Timing
Local playback 4*4K/4*5M/9*4M/16*1080P
Search mode Search by time/calendar/event/channel
Record storage HDD, Network
Backup mode Network backup, USB hard disk, USB burner, SATA burner
Video out 1ch HDMI (4K), 1ch VGA (1080P)
Audio I/O 1/1
Alarm I/O 16/4
Network interface 1*RJ45 10M/100M/1000M adaptive Ethernet port
PTZ control Control PTZ by network
USB interface 2 x USB 2.0, 1 x USB 3.0
HDD 8TB x 8 x 3.5" HDD
Operation temperature from -65° to +65°C
Operation humidity < 90% RH (non-condensation)
Power supply 10W
Dimensions 443mm (L) x 427.5mm (W) x 92mm (H)
Weight 6.0 kg

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