Device Type: 8MP WizMind Classroom Network Camera (AI-Powered Dome, Indoor Use)
Model / SKU: DH-IPC-HDBW8841H-Z-LB (also listed as IPC-HDBW8841H-Z-LB)
Brand: Dahua
Series: WizMind 8 Series / Classroom Series
Image Sensor: 1/1.8" 8-Megapixel Progressive Scan CMOS
Max. Resolution: 3840 × 2160 (8MP / 4K) @ 25/30 fps
Min. Illumination: 0.003 Lux @ F1.2 (Color, 30 IRE); 0.0003 Lux @ F1.2 (B/W, 30 IRE); 0 Lux with IR On
S/N Ratio: >56 dB
Lens: Motorized Vari-focal, 2.7 mm – 12 mm; Max. Aperture F1.2; Optical Zoom: ~4.4x
Field of View: Horizontal 112°–48° / Vertical 58°–27° / Diagonal 137°–55°
Close Focus Distance: 1.8 m (5.9 ft)
DORI Distance (Wide): Detect 87.6 m / Observe 35 m / Recognize 17.5 m / Identify 8.8 m
Illumination: Built-in IR LED (3 LEDs); Max. IR Distance up to 40 m; Auto On/Off Control
Pan/Tilt/Rotation: Pan 0°–355° / Tilt 0°–80° / Rotation 0°–355°
Video Output: Network Streaming Only (No Analog Video Output)
Video Compression: H.265, H.264, H.264H, H.264B, MJPEG (Sub Stream Only)
Smart Codec: Smart H.265+ / Smart H.264+
Frame Rate: Main Stream: 3840 × 2160 @ 1–25/30 fps; Sub Stream 1 & 2: 1920 × 1080 @ 1–25/30 fps
Stream Capability: 5 Streams for 3-Channel HD Video Display
WDR: 120 dB True WDR
Noise Reduction: 3D DNR
Image Enhancements: Day/Night (ICR), BLC, HLC, AWB, AGC, ROI, Digital Watermarking
Data Ports: 1 × RJ-45 (10/100/1000 Base-T Ethernet)
Network Protocols: IPv4/IPv6, HTTP, TCP, UDP, ARP, RTP, RTSP, RTCP, RTMP, SMTP, FTP, SFTP, DHCP, DNS, DDNS, QoS, UPnP, NTP, Multicast, ICMP, IGMP, NFS, SAMBA, PPPoE, SNMP
Interoperability: ONVIF (Profile S/G/T), CGI, Milestone
Max. Users: 20
Storage: Micro SD Card (Max. 256 GB, Card Not Included), FTP, SFTP
Audio: Built-in Dual Microphones and Hi-Fi Large-Diameter Speaker; Two-Way Talk Supported; Speaker Auditory Range up to 30 m (Indoor); 1/1 Audio In/Out
Alarm: 3/2 Alarm In/Out (3 Inputs, 2 Outputs); RS-485; BNC
Smart Features (AI):- Classroom Behavior Analysis: Student Mode (Head Up Detection, Standing Detection, Heads Up People Counting, Close-Up of Standing Students) and Teacher Mode (Abnormal Number of People for Teacher Tracking, Back Turned Detection, Walking Detection, Writing on Blackboard Detection, Face Comparison of Teachers). Supports up to 5 Face Databases and 10,000 Face Images.
- Exam Behavior Analysis: Detection of Students Looking Around and Passing Objects Between Each Other.
- Sound Management: With Built-in Dual MICs and Dahua Noise Reduction Algorithms, Collects Classroom Vocals, Adaptively Reduces Noise, and Filters Non-Human Voices.
- General IVS: Tripwire, Intrusion, Object Abandoned/Missing, Scene Change, Face Detection, Motion Detection.
Power Supply: 24V AC / 12V DC / PoE; 12V DC Power Output (Max. Current 165 mA)
Power Consumption: Basic: 8.86 W (12V DC); 8.5 W (24V AC); 8.64 W (PoE). Max. (IR On + ICR + Intelligence): 17.9 W (12V DC); 15.9 W (24V AC); 15.8 W (PoE)
Operating Conditions: –30°C to +60°C (–22°F to +140°F); Humidity ≤95% RH
Protection: IP67 Weatherproof; IK10 Vandal-Proof
Casing Material: Metal + Plastic
Dimensions: 129.1 mm × Φ157.9 mm
Net Weight: 1.5 kg (3.31 lb)
Certifications: CE; FCC; UL
Key Specs: Dahua DH-IPC-HDBW8841H-Z-LB 8MP WizMind Classroom Network Camera, 1/1.8" 8MP CMOS, 3840×2160 @ 25/30fps, 2.7–12mm Motorized Vari-focal Lens (F1.2), 40m IR, 120dB True WDR, 3D DNR, H.265+/H.264+ 5-Stream, Classroom Behavior Analysis (Student & Teacher Modes), Exam Behavior Analysis, Built-in Dual MICs & Speaker, Two-Way Talk, 5 Face Databases (10,000 Images), 3/2 Alarm In/Out, 1/1 Audio In/Out, MicroSD up to 256GB, 24V AC/12V DC/PoE, IP67, IK10, Metal + Plastic Housing, ONVIF
Usage: Smart Classrooms, Examination Halls, Educational Institutions, Lecture Theaters, Training Centers, and Any Environment Requiring AI-Powered Behavioral Analysis and Advanced Audio Management
