Dahua IPC-HFW3841T-ZAS-27135 – Bullet IP Camera 8MP 4K, Motorised Zoom 2.7–13.5 mm, IR 60 m

The Dahua IPC-HFW3841T-ZAS-27135 is a professional outdoor bullet IP camera from the WizSense 3 series. Combining 4K resolution, Starlight low-light technology, and deep-learning AI, it delivers highly reliable video surveillance for business premises, warehouses, car parks, and perimeter security. The motorised varifocal lens allows easy remote focal adjustment without physical access to the camera, while the built-in audio and alarm interface (ZAS variant) enables seamless integration into existing security systems.

Key features

• Sensor: 1/2.8" 8MP Progressive Scan CMOS (Starlight), low illuminance
• Resolution: 3840 × 2160 (8MP/4K) @ 20 fps (AI enabled) or @ 25/30 fps (AI disabled)
• Lens: Motorised varifocal 2.7–13.5 mm (field of view 109°–31°), with electric focus and zoom adjustment
• IR illumination: Built-in IR LEDs, range up to 60 m
• Compression: H.265+ / H.265 / H.264+ / H.264 / MJPEG; Smart H.265+ and Smart H.264+ for bandwidth and storage savings
• AI / smart functions: Perimeter Protection (intrusion, tripwire) with human and vehicle classification; SMD Plus (smart motion detection); defocus detection; video tampering and scene-change detection
• Image: 120 dB WDR, 3D DNR, HLC, BLC, ROI (4 zones), digital watermarking, rotation mode, 4-area privacy masking
• Audio: 1× input / 1× output (RCA); G.711a, G.711Mu, G.726 compression (ZAS variant only)
• Alarm: 1× input / 1× output (ZAS variant only)
• Storage: Micro SD card up to 256 GB; NAS; FTP/SFTP; Dahua Cloud
• Network: RJ-45 (10/100 Base-T); IPv4/IPv6, HTTP, HTTPS, TCP, UDP, RTP, RTSP, RTMP, SMTP, FTP, SFTP, DHCP, DNS, DDNS, QoS, UPnP, NTP, SNMP and more
• Interoperability: ONVIF (Profile S/G/T), CGI, P2P, Milestone, SDK and API
• Power supply: 12V DC or PoE (802.3af)
• Protection: IP67 (IK10 optional); metal housing; operating temperature –30 °C to +60 °C

An ideal choice for B2B projects demanding 4K clarity, flexible perimeter detection, and straightforward integration with Dahua or ONVIF-compatible security platforms.