ST-CH256N4NM-ZA

Model name	ST-CH256N4NM-ZA	ST-CH256N4NM-ZB
Imaging Device	1/2.7″
Effective Pixels	5MP 2880(H)×1620(V)
Scanning System	Progressive CMOS
Min. Illumination	Color 0.002lux @ F1.0(AGC ON) ; B/W 0 lux @ IR ON	Color 0.004lux @ F1.6(AGC ON) ; B/W 0 lux @ IR ON
Focal Length (Zoom Ratio)	2.8-12mm	5-50mm
Max. Aperture Ratio	F No. 1.2	F No. 2.0±5%
Angular Field of View	H:113(W)-35(T)° V：59(W)-20(T)° D：138(W)-41(T)°	Horizontal: 51-7°, Vertical: 27-4°, Diagonal: 60-8°
Min. Object Distance	1.5m	0.2m ~ ∞
IR LED	4	8
Warm Light	4	4
IR Viewable Length	Up to 35m	Up to 80m
WarmLight Viewable Length	Up to 30m	Up to 25m
Wide Dynamic Range	WDR
Digital Noise Reduction	3D DNR
Image Setting	Full Color Mode/Day&Night Mode/Smart IIIumination
White Balance	Auto/Manual
Electronic Shutter Speed	1/5 ~ 1/20000s
On-Board Storage	Micro SD slot, up to 256GB
Alarm	1 input, 1 output
Audio	1 input，1 output，1 Built-in microphone
Custom Voice	Yes
Hardware Reset	Yes
Smart Feature	Face Recognition, Pedestrian & Vehicle, Perimeter Intrusion , Line Crossing , Object Detection, Crossing Counting, Heat Map, Crowd Density, Queue Length, License Plate, Rare Sound, Intrusion, Region Entrance, Region Exiting
Ethernet	RJ45(10/100BASE-T)
Video Compression Format	H.265/H.264/H.265+/H.264+/MJPEG
Video Quality Adjustment	256Kbps ~ 8Mbps
Protocol	TCP/IP,HTTP,DHCP,DNS,DDNS,RTP/RTSP, SMTP,NTP,UPnP,SNMP,HTTPS,FTP
Application Programming Interface	ONVIF( Profile S/G/T)
Operating Conditions	-35～+60°C/≤ 90% RH
Ingress Protection	IP67；IK10；NEMA 4X
Input Voltage/ Current	D12V/POE(IEEE802.3af)
Power Consumption	DC12V:max 8.7W; POE(48V): max 11.1W
Material	Metal