DS-2CV2041G2-IDW(4mm) - The Wi-Fi bullet camera with 4mm lens ensures clear images thanks to the 4 MP resolution (2560×1440) and an optimized field of view for the control of specific areas, integrating EXIR 2.0 technology with IR range up to 30 m for advanced night vision. Equipped with Wi-Fi connection and integrated two-way audio , it allows remote monitoring and real-time communication, while H.265+ compression optimizes bandwidth and storage. Security is enhanced by WDR 120 dB and 3D DNR , ensuring clear images even in difficult conditions, with support for microSD up to 512 GB for local recording. Ideal for outdoors thanks to IP66 protection against water and dust , it represents a reliable solution for professional video surveillance from Hikvision.
DS-2CV2041G2-IDW(4mm) – OUTDOOR WI-FI BULLET CAMERA - 4mm FIXED LENS 4MP - H265+ IR 30 METERS

The Hikvision DS-2CV2041G2-IDW Wi-Fi camera with 4 mm lens is designed for professional video surveillance, offering high-definition images thanks to the 4 MP resolution (2560×1440) and an optimised viewing angle for targeted area control. It integrates EXIR 2.0 technology with a range of up to 30 m , ensuring effective night vision, while H.265+ compression ensures efficient bandwidth and storage management. The presence of integrated two-way audio and Wi-Fi connection facilitates remote monitoring in real time, supported by WDR 120 dB and 3D DNR for always clear images. Ideal for outdoor environments thanks to the IP66 certification , with support for local recording on microSD up to 512 GB .
Main features:
- Resolution 4 MP (2560×1440)
- 4mm fixed optics with FOV 79°
- IR night vision up to 30m (EXIR 2.0)
- H.265+ video compression
- Integrated two-way audio
- WDR 120 dB and 3D DNR
- Built-in Wi-Fi up to 120 m
- MicroSD slot up to 512 GB
- IP66 protection for outdoor use
Further details
1/3" CMOS sensor with 4 MP (2560×1440) resolution that ensures high definition images, sharp details and high performance even in low light conditions.
Presence of integrated microphone with two-way audio , which enables ambient listening and real-time communication for active safety applications.
Equipped with a 10/100 Mbps RJ45 Ethernet port , a microSD slot up to 512 GB and hardware reset systems, for complete and versatile management of the device.
Technical data sheet
| DS-2CV2041G2-IDW(4.0mm) | |
| Room | |
| Image Sensor | 1/3" Progressive Scan CMOS |
| Max. Resolution | 2560 × 1440 |
| Min. Illumination | Color: 0.5 Lux @ (F1.6, AGC ON),B/W: 0 Lux with IR |
| Shutter Speed | 1/25 s to 1/100,000 s |
| Day & Night | IR Cut Filter |
| Angle Adjustment | Pan: 0° to 360°,tilt: 0° to 90°,rotate: 0° to 360° |
| Lens | |
| Lens type | Fixed Lens, 4mm |
| Focal Length & FOV | horizontal FOV 82°, vertical FOV 44°, diagonal FOV 100° |
| Openings | F 1.6 |
| Focus | Fixed |
| Lens Mount | M12 |
| Depth of Field | 1.5 m to ∞ |
| Illuminator | |
| Supplement Light Type | IR |
| Wavelength | 850 nm |
| Supplement Light Range | Up to 30 m |
| Smart Supplement Light | Yes |
| Video | |
| Main Stream | 50Hz: 20 fps (2560 × 1440), 25fps (1920×1080, 1280×720) 60Hz: 20 fps (2560 × 1440), 30fps (1920×1080, 1280×720) |
| Sub Stream | 50 Hz: 25 fps (768 x 432, 512 x 288) 60Hz: 30fps (768 x 432, 512 x 288) |
| Video Compression |
Main stream: H.265+/H.264+/H.265/H.264 |
| H.264 Type | Baseline Profile/Main Profile |
| H.265 Type | Main Profile |
| Video Bit Rate | CBR,VBR |
| Audio | |
| Audio Compression | G.711/G.722.1/G.726/PCM/AAC-LC |
| Audio Bit Rate |
64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/16 to 64 Kbps (AAC-LC) |
| Environment Noise Filtering | Yes |
| Audio Sampling Rate | 8kHz/16kHz |
| Network | |
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, DHCP, DNS, RTP, RTSP, RTCP, NTP, IGMP, QoS, Bonjour |
| Simultaneous Live View | Up to 4 channels |
| API | NA |
| Security | Password protection, HTTPS encryption, Security Audit Log, basic and digest authentication for HTTP/HTTPS |
| User/Host | Only one user: administrator |
| Network Storage | NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR), Together with high-end Hikvision memory card, memory card encryption and health detection are supported. |
| Client | Hik-Connect, iVMS-4200 |
| Web Browser | NA |
| Wi-Fi | |
| Transfer Rate |
11n: up to 300 Mbps |
| Wi-Fi Protocol |
802.11n: OFDM,802.11b: DSSS,802.11g: OFDM |
| Frequency Range |
2.412 GHz to 2.472 GHz |
| Channel Bandwidth | 20 MHz |
| Modulation | 802.11n: BPSK, QPSK, 16QAM, and 64QAM,802.11b: DBPSK and DQPSK, CCK,802.11g: BPSK, QPSK, 16QAM, and 64QAM |
| Wireless Range | Up to 120 m (The performance varies based on actual environment) |
| Antenna | 2 Antennas |
| Image | |
| Image Setting | Car |
| Day/Night Switch | Auto, Schedule, Day, Night |
| Wide Dynamic Range (WDR) | 80 dB |
| SNR | ≥ 52 dB |
| Image Enhancement | BLC/3D DNR |
| Interface | |
| Built-in Microphone | Yes |
| Built-in Speaker | Yes |
| On-board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| Reset Key | Yes |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| Event | |
| Basic Event | Motion detection (support alarm triggering by specified target types (human and vehicle)), exception |
| Linkage | Upload to NAS/memory card, notify surveillance center, trigger recording, trigger capture |
| General | |
| Power | 12 VDC ± 25%, 0.5 A, max. 6 W,Ø5.5 mm coaxial power plug,reverse polarity protection,A switching adapter is included in the package. |
| Language | English |
| Storage Conditions |
-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| General Function |
Heartbeat, mirror, password protection |
| Startup and Operating Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Storage Conditions | -10 °C to +40 °C (14 °F to +104 °F), humidity 95% or less (non-condensing) |
| Material | Front cover: metal, back cover: plastic |
| Dimension | 175.6 mm × 73 mm × 89.1 mm (6.9" × 2.9" × 3.5") |
| Package Dimension | 260 mm × 125 mm × 125 mm (10.2" × 4.9" × 4.9") |
| Weight | Approx. 345 g (0.8 lb.) |
| With Package Weight | Approx. 635 g (1.4 lb.) |
| Approval | |
| EMC |
CE-EMC: EN 55032: 2015, EN 61000-3-2:2019, EN 61000-3-3: 2013+A1:2019, EN 50130-4: 2011 +A1: 2014 |
| RF |
CE-RED (EN 301489-1 V2.1.1(BT or 2.4G) |
| Safety |
CE-LVD: EN 62368-1: 2014/A11: 2017 |
|
Environment |
CE-RoHS: 2011/65/EU, |
|
Protection |
IP66: IEC 60529-2013 |


