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Dahua HDW3849T-ZS-IL, 8MP Smart Dual Light, Wizsense, 2.7-13.5mm Black

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Dahua Smart Dual Light uses smart algorithms for accurate target recognition. In nighttime conditions, the IR lighting is active as standard. When a person or vehicle is detected, the camera automatically switches to warm light for a full-color image. Once the target leaves the monitored area, the camera switches back to IR illumination, minimizing light pollution. Sensor & Resolution1/2.7″ CMOS sensor with 8 MP (3840×2160) video at up to 30 fps Lighting & Night VisionMulti-core light sources with automatic switching between infrared (IR – up to 50 m) and warm (colour) light (up to 40 m) for clear images, even in the dark Lens & Viewing AngleMotorized vari-focal lens from 2.7 – 13.5 mm, with a wide range of viewing angles: horizontal 114°–32°, vertical 58°–17° and diagonal 138°–36° Minimum lightingOnly 0.007 lux at F1.4 in color or 0.0007 lux in black and white. Completely black image when using lighting Image enhancement technologiesWDR, 3D NR, HLC, BLC, digital watermarking, rotation options – suitable for white balance, noise reduction and strong backlight sensors Video Compression & Bandwidth OptimizationSupport for H.264, H.265, Smart H.264+/H.265+, and AI encoding. Includes ROI settings for selective quality optimization Intelligent detection (AI + SMD 4.0)Supports vehicle/human classification in perimeter surveillance (intrusion, tripwire), with AI Scene Self-adaptation (AI-SSA), and configurable SMD zones with warm light alarm triggers Abnormality reportsDetects motion, video tampering, scene change, audio and network/SD status, IP conflicts, power issues and more Memory & StorageSupports up to 512 GB microSD card for local storage Audio / Alarm I/OBuilt-in microphone; optional alarm in and out, audio in/out via external ports (depending on actual version) Power & Connectivity12 VDC or Power over Ethernet (PoE, 802.3af), typical current 8-10 W Housing & EnvironmentRobust IP67 certified metal housing, suitable for outdoor use at temperatures from –30 °C to +60 °C, maximum 95% relative humidity Dimensions & WeightApprox. Ø122 mm × 108 mm height, weight ± 690 g Camera 1/2.7" 8MP CMOS image sensor Maximum resolution: 3840 × 2160 (4K) Frame rate: 25/30 fps @ 8MP Minimum lighting: 0.007 Lux (color, F1.4) 0.0007 Lux (black and white, F1.4) 0 Lux with IR or white light on Day/Night: Auto (ICR) / Color / B/W IR range: max. 50 meters Warm light range: max. 40 meters Smart lighting: automatic IR/white light switching Lens Motor zoom lens: 2.7 mm – 13.5 mm Field of view: Horizontal: 114° – 32° Vertical: 58° – 17° Diagonal: 138° – 36° Focus control: automatic/motorized Video Compression: H.265, H.264, H.265+/H.264+, MJPEG Smart Coding: AI Codec ROI (Region of Interest) support Noise reduction: 3D DNR Wide Dynamic Range (WDR): 120 dB BLC, HLC, Mirror Image, Rotation AI & Intelligence SMD 4.0 (Smart Motion Detection): human/vehicle recognition Perimeter security: tripwire, intrusion with AI filtering AI Scene Self-adaptation (AI-SSA) Detection of abnormal events (video tampering, scene change) Audio & Alarm Built-in microphone Audio In/Out: optional (model dependent) Alarm In/Out: optional (depending on model) Storage MicroSD card support: max. 512 GB NAS (NFS, SMB/CIFS), local storage Network Ethernet: RJ-45 (10/100 Base-T) ONVIF (Profile S, G, T), CGI, P2P, RTSP, HTTPS Compatible with Dahua NVRs and VMS Nutrition & Consumption Power supply: 12V DC ±30% / PoE (IEEE 802.3af) Power: max. 9.3 W (IR + white light active) Physical & Environment Housing: metal dome IP67 weatherproof Operating temperature: –30 °C to +60 °C Humidity: up to 95% (non-condensing) Dimensions: Ø122 mm × 108 mm Weight: approx. 690 grams