Model Name NDF 820 NDF 821 NDF 831 NDR 891
2 megapixel 2 megapixel 2 megapixel 2 megapixel
Application Environment Indoor Indoor Outdoor Outdoor
Image Sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor
Lens Built-in Fixed Lens f=4mm, F1.5 (Mega pixel lens) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens)
Video Compression Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG
Horizontal View Angle H: 65,4° ±5% H: 93°(Wide)~31.70(Tele) H: 93°(Wide)~31.70(Tele) H: 93°(Wide)~31.70(Tele)
Day / Night auto Mechanical (ICR) D/N control; Auto/ Forced BW/ Forced Color/ External Mechanical (ICR) D/N control; Auto/ Forced BW/ Forced Color/ External Mechanical (ICR) D/N control; Auto Switch
Min. Illumination 0.1 Lux @10 IRE; 0.4 Lux @50 IRE (shutter speed: 1/15sec) 0.08 Lux @10IRE; 0.30Lux @50IRE (shutter speed: 1/15sec) 0.08 Lux @10IRE; 0.30Lux @50IRE (shutter speed: 1/15sec) IR LED OFF: 0.06 Lux @10IRE; 0.24Lux @50IRE (shutter speed: 1/15sec) IR LED ON: 0lux
IR Distance - - - 25 meters
Wide Dynamic Range - Yes; 5 level sensitivity Yes; 5 level sensitivity Yes; 5 level sensitivity
Max. Resolution 1920X1080(2M)@25fps 1920X1080(2M)@25fps 1920X1080(2M)@25fps 1920X1080(2M)@25fps
Audio Support - Two-way Mono Audio, Full-duplex, G.711 PCM 8kHz Two-way Mono Audio, Full-duplex, G.711 PCM 8kHz- Two-way Mono Audio, Full-duplex, G.711 PCM 8kHz
Internet Protocol IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP
Alarm Input / Output - 2 in / 1 out External input External input
Local Storage* - Micro SD/SDHC Card up to 32 GB Micro SD/ SDHC Card up to 32 GB Micro SD/ SDHC Card up to 32 GB
Power Source DC 12V & AC 24V ± 10% / PoE (IEEE 802.3af) DC 12V & AC 24V ± 10% / PoE (IEEE 802.3af) DC12V / AC24V / PoE DC12V / AC24V / PoE
Operating Temperature −10°C ~ 50°C −10°C ~ 50°C −10°C ~ 50°C with heater (optional):−40°C ~ 50°C −10°C ~ 50°C with heater (optional):−40°C ~ 50°C
Regulation CE, FCC, RoHS CE, FCC, RoHS CE, FCC, RoHS CE, FCC, RoHS
ONVIF Support Yes Yes Yes Yes
Intelligent Video Motion Detection Motion Detection Audio detection / Blur detection /Ethernet Detection/ Smart Encoding/ Smart Focus/ e-PTZ/ Event Management Audio detection / Blur detection /Ethernet Detection/ Smart Encoding/ Smart Focus/ e-PTZ/ Event Management
Protection - - IP67, IK10, vandal-proof IP67, IK10, vandal-proof
Accessories SAB755M; SAB755, SAB749-W1 SAB755M SAB755, SAB749-W1 SAB755BP SAB755BP
     
Model Name NDF 820 PRO NDF 821 PRO NDF 831 PRO NDR 891 PRO
2 megapixel 2 megapixel 2 megapixel 2 megapixel
Application Environment Indoor Indoor Outdoor Outdoor
Image Sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor 1/2.7″ Lumii sensor
Lens f=4mm, F1.5 (selectable)f=2.8mm, F2.0 (selectable) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens) Built-in Mechanical IR Cut Filter varifocal lens f=3~9mm, F1.2 (Mega pixel lens)
Video Compression Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG Triple Streaming:H.264 / MPEG-4 / MJPEG
Horizontal View Angle f=4mm, F1.5 lens: H: 65.4°/V:49.9°f=2.8mm, F2.0 lens: H: 110°/V:81.5° H: 93°(Wide)~31.70(Tele) H: 93°(Wide)~31.70(Tele) H: 93°(Wide)~31.70(Tele)
Day / Night Digital D/N Control Mechanical (ICR) D/N Control Auto/ Forced BW/ Forced Color/ External Mechanical (ICR) D/N control; Auto/ Forced BW/ Forced Color/ External Mechanical (ICR) D/N control; Auto Switch
Min. Illumination 0.1 Lux @10 IRE; 0.4 Lux @50 IRE (shutter speed: 1/15sec) 0.08 Lux @10IRE; 0.30Lux @50IRE (shutter speed: 1/15sec) 0.08 Lux @10IRE; 0.30Lux @50IRE (shutter speed: 1/15sec) IR LED OFF: 0.06 Lux @10IRE; 0.24Lux @50IRE (shutter speed: 1/15sec) IR LED ON: 0lux
IR Distance - - - 25 meters
Wide Dynamic Range Digital WDR Yes; 5 level sensitivity Yes; 5 level sensitivity Yes; 5 level sensitivity Yes; 5 level sensitivity
Max. Resolution 1920X1080(2M)@25fps 1920X1080(2M)@25fps 1920X1080(2M)@25fps 1920X1080(2M)@25fps
Audio Support - 3.5mm Phone Jack 1 in / 1 out Two-way Mono Audio, Full-duplex, G.711 PCM 8kHz- Two-way Mono Audio, Full-duplex, G.711 PCM 8kHz
Internet Protocol IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP IIPv4, TCP/IP, UDP, HTTP, SMTP, DNS,DHCP, NTP, FTP, RTP, RTSP, RTCP,ICMP, UPnP
Alarm Input / Output - 2 in / 1 out External input External input
Local Storage* - Micro SD/SDHC Card up to 32 GB Micro SD/ SDHC Card up to 32 GB Micro SD/ SDHC Card up to 32 GB
Power Source DC 12V & AC 24V ± 10% / PoE (IEEE 802.3af) DC 12V & AC 24V ± 10% / PoE (IEEE 802.3af) DC12V / AC24V / PoE DC12V / AC24V / PoE
Operating Temperature −10°C ~ 50°C −10°C ~ 50°C −10°C ~ 50°C with heater (optional):−40°C ~ 50°C −10°C ~ 50°C with heater (optional):−40°C ~ 50°C
Regulation CE, FCC, RoHS CE, FCC, RoHS CE, FCC, RoHS CE, FCC, RoHS
ONVIF Support Yes Yes Yes Yes
Intelligent Video Motion detection, Ethernet detection,face detection, blur detection Motion detection, face detection, audio detection, blurdetection, ethernet detection, external alarm Motion detection, face detection, audio detection, blurdetection, Ethernet detection, external alarm Motion detection, face detection, audio detection, blurdetection, Ethernet detection, external alarm
Protection - - IP67, IK10, vandal-proof IP67, IK10, vandal-proof
Accessories SAB755M; SAB755, SAB749-W1 SAB755M SAB755, SAB749-W1 SAB755BP SAB755BP