X2221-CL 2MP Face Recognition SoftlightBullet Camera 
1/1.8" progressive scan CMOS image sensor
Built-in NPU neural network engine, greatly improving the 
performance of deep learning algorithms
Facial recognition at the front end, supporting the alarm 
output based on the object match with 100,000 blacklist records
Simultaneous snapshot of the face, person, and head and  shoulder
Simultaneous detection and tracking of 100 targets
Face capture supported for faces at an ultra-large deviation  angle 
Face tracking, filtering, and evaluation to generate the 
optimal face snapshot and reduce repeated snapshots
Facial attribute recognition and personal attribute  recognition
AI-based scene adaptation. The camera can detect scenarios 
in real time and make targeted setting optimization to  improve imaging quality.
Software-defined camera, supporting online loading and  upgrade of algorithms
Extra265 intelligent encoding, reducing 70% of the requirements on storage and bandwidth resources
Area cropping, viewing fine details through limited bandwidth
Stream smoothing, meeting various requirements for video  quality and fluency
Traffic shaping, enabling precise control over instantaneous 
burst of video streams and delivering smooth video without packet loss
TCP acceleration, enabling the network to carry video streams of higher quality
Long-distance PoE power supply and AC power supply
Features Model X2221-CL Camera
Image sensor 1/1.8" 2.0-megapixel progressive scan CMOS
Effective pixels 1920 (H) x 1080 (V)
Minimum 
illumination
Color: 0.002 lux @ (F1.2, AGC ON)
B/W: 0.0002 lux @ (F1.2, AGC ON)
WDR 120 dB
White balance Auto/Auto tracking/Manual
Highlight 
compensation 
(HLC)
Supported
Electronic 
defogging
Auto/Manual/Off
Digital noise 
reduction (DNR)
Self-adaptive to 2D or 3D DNR
Lens & Illuminator
Focal length 12-55 mm
Maximum aperture F1.4
Iris type P-iris
Light supplement 
distance
20 meters. The soft light supports face capture at night.
Functions
Video compression 
format
H.265/H.264/MJPEG
Maximum 
resolution
1920 x 1080 (1080p)
Frame rate 60 Hz: 60 fps, 30 fps, 1-20 fps; 50 Hz: 50 fps, 25 fps, 1-20 fps
Multiple streams 5 streams, independent dual-stream 1080p encoding
Area cropping 
encoding
4-stream encoding (secondary streams)
Intelligent 
encoding
Extra265/Extra264, ROI, TCP intelligent acceleration, stream smoothing, and traffic shaping
PU access protocol ONVIF Profile S/G/T, GB/T 28181 (2011, 2016)
Network protocol
TCP, UDP, IPv4, IPv6, DHCP, DHCPv6, DNS, ICMP, ICMPv6, IGMP, HTTPS, FTP, 
SFTP, RTP, RTSP, RTCP, SIP, ARP, SSL, NTP, SNMP, 802.1X, QoS, DDNS, SMTP, SSH, and TLS
Security mode User name and password authentication, 802.1X, and HTTPS-based secure accessMedia security KMC key encryption, AES256-based stream encryption, and digital watermark
Alarm linkage
Alarm sources: Boolean value input, intelligent analysis; linked actions: Boolean 
value output, preset position, tour, scan, SD card recording, SD card snapshot, 
email sending, pre-recording
Intelligent functions
Behavior analysis
Fast movement, abandoned object, removed object, tripwire crossing, intrusion, 
area enter/exit, loitering, and crowd gathering
Abnormality 
detection
Video quality diagnosis, audio detection, volume surge and decrease detection, 
scene change detection, and defocus detection
Intelligent analysis
Pedestrian 
detection and 
capture
Simultaneous detection and capture of face, head and shoulder, and person
Face exposure
Real-time exposure adjustment based on ambient light conditions, optimizing 
facial image quality
Facial attribute 
recognition
Five attributes, including whether the person wears a mask
Personal attribute 
recognition
Seven attributes, including the gender, age, and dressing style
Facial recognition 
and match
Facial recognition at the front end, supporting the alarm output based on the 
object match with 100,000 blacklist records
Ports
Network port
One RJ45 gigabit Ethernet port, supporting auto-sensing of 10 Mbit/s, 100 
Mbit/s, and 1000 Mbit/s
Communication 
serial port
One half-duplex RS-485 port
Alarm port 2 alarm input ports, 1 alarm output port
Audio port 1 audio input port, 1 audio output port
Storage port One microSDHC/microSDXC card slot, max. 256 GB
General specifications
Power supply AC24V, PoE++ (IEEE 802.3bt)
Power 
consumption
Maximum: 32 W; typical: 8.5 W
Operating 
temperature
–40°C to +60°C
Operating 
humidity
5% to 95% (non-condensing)
Lightening 
protection level
6 kV
Ingress protection 
rating
IP67
Impact protection 
rating
IK10(except the window)
Weight Net: 2.36 kg; gross: 3.3 kg
Dimensions Device: 128.7 x 120.0 x 292.3 mm; packing: 533.0 x 259.0 x 146.0 m