4MP Lite IR Fixed-focal Bullet Network Camera https://www.dahuasecurity.com/asset/upload/uploads/cpq/DH-IPC-HFW2431S-S-S2_datasheet_20201204.pdf > 4MP, 1/3” CMOS image sensor, low illuminance, high image definition > Outputs 4MP (2560 × 1440)@25/30fps, Max. supports 4MP (2688 × 1520)@20 fps > H.265 codec, high compression ration, ultra-low bit rate > Built-in IR LED, max IR distance: 30 m > ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments > Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes > Intelligent detection: Intrusion, tripwire > Abnormality detection: Motion detection, video tampering, no SD card, SD card full, SD card error, network disconnected, IP conflict, illegal access, voltage detection > Supports max. 256GB Micro SD card > 12V DC/PoE power supply > IP67 protection Camera Image Sensor 1/3” 4Megapixel progressive CMOS Max. Resolution 2688 (H) × 1520 (V) ROM 128 MB RAM 128 MB Scanning System Progressive Electronic Shutter Speed Auto/Manual 1/3 s–1/100000 s S/N Ratio > 56 dB Min. Illumination 0.008 Lux@F1.6 Illumination Distance 30 m (98.43 ft) Illuminator On/Off Control Auto/Manual Illuminator Number 1 (IR LED) Pan/Tilt/Rotation Range Pan: 0°–360° Tilt: 0°–90° Rotation: 0°–360° Lens Lens Type Fixed-focal Mount Type M12 Focal Length 2.8 mm 3.6 mm Max. Aperture F1.6 F1.6 Field of View 2.8 mm: Horizontal:102.0° × Vertical 55.0° × Diagonal 121.0°3.6 mm : Horizontal 84.0° × Vertical 45.0° × Diagonal 100.0° Iris Type Fixed Close Focus Distance 2.8 mm: 0.9 m (2.95 ft) 3.6 mm: 1.6 m (3.61 ft) DORI Distance Lens Detect Observe Recognize Identify 2.8 mm 56 m (183.73 ft) 22.4 m (73.49 ft) 11.2 m (36.75 ft) 5.6 m (18.37 ft) 3.6 mm 80 m (262.47 ft) 32.0 m (104.99 ft) 16.0 m (52.49 ft) 8.0 m (26.25 ft) Smart event IVS Tripwire; intrusion Video Video Compression H.265; H.264; H.264B; MJPEG(only supported by sub stream) Smart Codec Smart H.265+/ Smart H.264+ Video Frame Rate Main stream: 2688 × 1520 (1 fps-20 fps) 2560 × 1440 (1 fps-25/30 fps) Sub stream: 704 × 576 (1 fps-25 fps) 704 × 480 (1 fps-30 fps) Stream Capability 2 streams Resolution 2688 × 1520 (2688 × 1520); 2560 × 1440 (2560 × 1440); 2304 × 1296 (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 ×480); CIF (352 × 288/352 × 240) Bit Rate Control CBR/VBR Video Bit Rate H.264: 32 kbps–6144 kbps H.265: 12 kbps–6144 kbps Day/Night Auto(ICR)/Color/B/W BLC Yes HLC Yes WDR 120 dB White Balance Auto/natural/street lamp/outdoor/manual/regional custom Gain Control Auto/Manual Noise Reduction 3D NR Motion Detection OFF/ON (4 areas, rectangular) Region of Interest(RoI) Yes (4 areas) Smart Illumination Yes Image Rotation 0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution and lower.) Mirror Yes Privacy Masking 4 areas Alarm Alarm Event No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; voltage detection; security exception Network Network RJ-45 (10/100 Base-T) SDK and API Yes Cyber Security Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; Generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade Protocol IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; 802.1x; Bonjour Interoperability ONVIF(Profile S/Profile G/Profile T);CGI; P2P; Milestone; Genetec User/Host 20 Storage FTP; SFTP; Micro SD Card (support max. 256GB); NAS Browser IE Chrome Firefox Management Software Smart PSS; DSS; DMSS Mobile Phone IOS; Android Certification Certifications CE-LVD: EN62368-1 CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU FCC: 47 CFR FCC Part 15, Subpart B UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07 Power Power Supply 12V DC/PoE (802.3af) Power Consumption < 5W Environment Operating Conditions -40°C to +60°C (-40°F to +140°F)/less than ≤ 95% RH Strorage Conditions -40°C to +60°C (-40°F to +140°F) Protection IP67 Structure Casing Metal Dimensions 166.2 mm × Φ70 mm (6.54" × Φ2.76") Net Weight 0.48 kg (1.1 lb) Gross Weight 0.57 kg (1.3 lb)