Hikvision 4MP 2.8mm Powered by Darkfighter Fixed Mini Bullet Network Camera DS-2CD2046G2H-I(2.8mm)

<p><strong>Hikvision 4MP 2.8mm Powered by Darkfighter Fixed Mini Bullet Network Camera DS-2CD2046G2H-I(2.8mm)</strong></p>

<p>Empowered by deep learning algorithms, Hikvision AcuSense technology brings human and vehicle targets classification alarms to front- and back-end devices. The system focuses on human and vehicle targets, vastly improving alarm efficiency and effectiveness.</p>

<p><strong>Features:</strong></p>

<ul>
<li>High quality imaging with 4 MP resolution</li>
<li>Excellent low-light performance with powered-by-DarkFighter technology</li>
<li>Clear imaging against strong backlight due to 120 dB true WDR technology</li>
<li>Efficient H.265+ compression technology</li>
<li>Focus on human and vehicle targets classification based on deep learning</li>
<li>Built-in microphone for real-time auto security(-U)</li>
<li>Water and dust resistant (IP67)</li>
</ul>

<p><strong>Technical Specifications:</strong></p>

<p><strong>Camera</strong></p>

<p><strong>Image Sensor</strong><br>
1/3" Progressive Scan CMOS</p>

<p><strong>Max. Resolution</strong><br>
2688 × 1520</p>

<p><strong>Min. Illumination</strong><br>
Color: 0.001 Lux @ (F1.0, AGC ON), B/W: 0 Lux with IR</p>

<p><strong>Shutter Time</strong><br>
1/3 s to 1/100,000 s</p>

<p><strong>Day &amp; Night</strong><br>
IR cut filter</p>

<p><strong>Angle Adjustment</strong><br>
Pan: 0°–360°, Tilt: 0°–90°, Rotate: 0°–360°</p>

<p><strong>Lens</strong></p>

<p><strong>Lens Type</strong><br>
Fixed focal lens, 2.8 mm and 4 mm optional</p>

<p><strong>Focal Length &amp; FOV</strong><br>
2.8 mm — HFOV 100.2°, VFOV 54.7°, DFOV 119.7°<br>
4 mm — HFOV 81.1°, VFOV 44.7°, DFOV 94.6°</p>

<p><strong>Lens Mount</strong><br>
M12</p>

<p><strong>Iris Type</strong><br>
Fixed</p>

<p><strong>Aperture</strong><br>
F1.0</p>

<p><strong>Depth of Field</strong><br>
2.8 mm: 1.9 m to ∞<br>
4 mm: 2.5 m to ∞</p>

<p><strong>DORI</strong></p>

<p><strong>2.8 mm</strong><br>
D: 63 m, O: 25 m, R: 12 m, I: 6 m</p>

<p><strong>4 mm</strong><br>
D: 78 m, O: 31 m, R: 15 m, I: 7 m</p>

<p><strong>Illuminator</strong></p>

<p><strong>Supplement Light Type</strong><br>
IR</p>

<p><strong>Supplement Light Range</strong><br>
Up to 40 m</p>

<p><strong>Smart Supplement Light</strong><br>
Yes</p>

<p><strong>IR Wavelength</strong><br>
850 nm</p>

<p><strong>Video</strong></p>

<p><strong>Main Stream</strong><br>
50 Hz — 25 fps (2688×1520, 1920×1080, 1280×720)<br>
60 Hz — 30 fps (2688×1520, 1920×1080, 1280×720)</p>

<p><strong>Sub-Stream</strong><br>
50 Hz — 25 fps (1280×720, 640×480, 640×360)<br>
60 Hz — 30 fps (1280×720, 640×480, 640×360)</p>

<p><strong>Third Stream</strong><br>
50 Hz — 10 fps (1080p, 720p, 640×480, 640×360)<br>
60 Hz — 10 fps (same resolutions)<br>
Supported under certain settings.</p>

<p><strong>Video Compression</strong><br>
Main: H.265 / H.264 / H.265+ / H.264+<br>
Sub: H.265 / H.264 / MJPEG<br>
Third: H.265 / H.264</p>

<p><strong>Video Bit Rate</strong><br>
32 Kbps to 8 Mbps</p>

<p><strong>H.264 Type</strong><br>
Baseline / Main / High Profile</p>

<p><strong>H.265 Type</strong><br>
Main Profile</p>

<p><strong>Bit Rate Control</strong><br>
CBR / VBR</p>

<p><strong>Scalable Video Coding (SVC)</strong><br>
H.264 &amp; H.265 encoding</p>

<p><strong>Region of Interest (ROI)</strong><br>
1 fixed region for main and sub-stream</p>

<p><strong>Audio</strong></p>

<p><strong>Audio Type</strong><br>
-U: Mono sound</p>

<p><strong>Audio Compression</strong><br>
-U: G.711ulaw, G.711alaw, G.722.1, G.726, MP2L2, PCM, MP3, AAC-LC</p>

<p><strong>Audio Bit Rate</strong><br>
-U: 64 Kbps (G.711), 16 Kbps (G.722.1/G.726),<br>
32–192 Kbps (MP2L2), 8–320 Kbps (MP3), 16–64 Kbps (AAC-LC)</p>

<p><strong>Audio Sampling Rate</strong><br>
-U: 8 kHz / 16 kHz / 32 kHz / 44.1 kHz / 48 kHz</p>

<p><strong>Environment Noise Filtering</strong><br>
-U: Yes</p>

<p><strong>Network</strong></p>

<p><strong>Protocols</strong><br>
TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4/IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, ARP, WebSocket</p>

<p><strong>Simultaneous Live View</strong><br>
Up to 6 channels</p>

<p><strong>API</strong><br>
ONVIF (Profile S, G, T), ISAPI, SDK</p>

<p><strong>User/Host</strong><br>
Up to 32 users — Administrator / Operator / User</p>

<p><strong>Security</strong><br>
Password protection, HTTPS encryption, IP filtering, Audit log, TLS 1.1/1.2, Digest authentication, WSSE, ONVIF security</p>

<p><strong>Network Storage</strong><br>
NAS (NFS/SMB), ANR support<br>
With Hikvision memory card: encryption &amp; health monitoring</p>

<p><strong>Client</strong><br>
iVMS-4200, Hik-Connect, Hik-Central</p>

<p><strong>Web Browser</strong><br>
Plug-in view: IE 10/11<br>
Plug-in free: Chrome 57+, Firefox 52+, Edge 89+<br>
Local service: Chrome 57+, Firefox 52+, Edge 89+</p>

<p><strong>Image</strong></p>

<p><strong>Image Parameters Switch</strong><br>
Yes</p>

<p><strong>Image Settings</strong><br>
Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance (via client/web)</p>

<p><strong>Day/Night Switch</strong><br>
Day / Night / Auto / Schedule</p>

<p><strong>Wide Dynamic Range (WDR)</strong><br>
120 dB</p>

<p><strong>SNR</strong><br>
≥ 52 dB</p>

<p><strong>Image Enhancement</strong><br>
BLC, HLC, 3D DNR</p>

<p><strong>Privacy Mask</strong><br>
4 polygon privacy masks</p>

<p><strong>Interface</strong></p>

<p><strong>Ethernet Interface</strong><br>
1 × RJ45 10M/100M self-adaptive port</p>

<p><strong>On-Board Storage</strong><br>
microSD/microSDHC/microSDXC up to 512 GB</p>

<p><strong>Built-in Microphone</strong><br>
-U: Yes</p>

<p><strong>Reset Key</strong><br>
Yes</p>

<p><strong>Event</strong></p>

<p><strong>Basic Event</strong><br>
Motion detection (human/vehicle classification), tamper alarm, exception</p>

<p><strong>Smart Event</strong><br>
Scene change detection</p>

<p><strong>Linkage</strong><br>
Upload to NAS/memory card/FTP, notify center, trigger recording, capture, send email</p>

<p><strong>Deep Learning Functions</strong></p>

<p><strong>Face Capture</strong><br>
Yes</p>

<p><strong>Perimeter Protection</strong><br>
Line crossing, intrusion, region entrance/exit<br>
(Supports human/vehicle filtering)</p>

<p><strong>General</strong></p>

<p><strong>Power</strong><br>
12 VDC ±25%, 0.45 A, max 5.5 W<br>
PoE: 802.3af, Class 3, max 7 W</p>

<p><strong>Material</strong><br>
Metal front cover, body &amp; bracket</p>

<p><strong>Dimensions</strong><br>
Ø74.4 mm × 179.2 mm (Ø2.9" × 7.1")</p>

<p><strong>Package Dimensions</strong><br>
234 × 120 × 117 mm</p>

<p><strong>Weight</strong><br>
Camera: 525 g<br>
With Package: 750 g</p>

<p><strong>Storage Conditions</strong><br>
-30°C to 60°C, ≤95% RH (non-condensing)</p>

<p><strong>Startup / Operating Conditions</strong><br>
-30°C to 60°C, ≤95% RH (non-condensing)</p>

<p><strong>Language Support</strong><br>
33 languages</p>

<p><strong>General Functions</strong><br>
Heartbeat, mirror, flash log, password reset via email, pixel counter, anti-banding</p>

<p><strong>Approval</strong></p>

<p><strong>EMC</strong><br>
EN 55032, EN 50130-4, IEC 61000-3-2, EN 61000-3-3</p>

<p><strong>Safety</strong><br>
UL 62368-1, IEC 62368-1, EN 62368-1</p>

<p><strong>Environment</strong><br>
CE-RoHS</p>

<p><strong>Protection</strong><br>
IP67 (IEC 60529)</p>