Hikvision DS-2CD2546G2-IWS 4MP Outdoor Mini Dome Camera WIFI
The Hikvision DS-2CD2546G2-IWS is a 4 MP AcuSense mini dome with built-in Wi-Fi, made for homes and small businesses where running a network cable is hard. It connects over your wireless network, classifies people and vehicles to cut false alarms, and records audio with a built-in microphone.
Key points
- 4 MP (2688 x 1520) 1/3" CMOS, 120 dB WDR
- Built-in 2.4 GHz Wi-Fi plus a wired network port
- AcuSense human and vehicle classification
- EXIR infrared up to 30 m for night vision
- Built-in microphone; audio and alarm input/output
- IP67 weatherproof, IK08 vandal-resistant; PoE or 12 VDC
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§ 01Overview
What the DS-2CD2546G2-IWS is
The Hikvision DS-2CD2546G2-IWS is a 4 MP AcuSense mini dome with built-in Wi-Fi, aimed at spots where pulling a data cable is awkward, such as a rented home, a heritage wall or a detached garage.
It joins your 2.4 GHz wireless network, so you only need to get power to the camera; it also keeps a wired network port if you decide to run a cable later.
AcuSense deep-learning analytics classify human and vehicle targets, so motion, line-crossing and intrusion alerts trigger on people and cars rather than cats, rain or moving branches.
A built-in microphone records audio with the video, and audio and alarm terminals let you add an external speaker or sensor.
EXIR infrared lights the scene up to 30 m at night; as with any infrared camera, the night image is black and white.
120 dB WDR keeps detail when bright sun hits a shaded entry.
The metal dome is rated IP67 against dust and rain and IK08 against knocks, so it works indoors or out.
Choose a 2.8 mm or 4 mm lens for a wider or tighter view, and power it over PoE or 12 VDC.
For the steadiest video, mount it within good Wi-Fi range of your router or access point, and record it to a Hikvision AcuSense NVR or a microSD card.
Note it has a microphone for recording but no built-in speaker, so it captures sound rather than offering two-way talk-back.
See it in action
What the DS-2CD2546G2-IWS features actually look like
Representative illustrations of how each key feature performs in a real scene.
4MP Ultra HD
30m IR Night Vision
Human/Vehicle Detection
IP67 Weatherproof
Illustrative — simulated for demonstration
§ 02Engineering
DS-2CD2546G2-IWS specifications
- Built-in 2.4 GHz Wi-Fi for cable-free network connection
- AcuSense deep-learning human and vehicle classification
- EXIR infrared up to 30 m for night vision (black and white)
- Built-in microphone plus audio and alarm in/out terminals
- IP67 weatherproof and IK08 vandal-resistant metal dome
- 2.8 mm or 4 mm fixed lens; H.265+ compression
- PoE (802.3af) or 12 VDC power
§ 03Full datasheet
Detailed specifications
Camera & Image
| Feature | Detail |
|---|---|
| Image Sensor | 1/3" Progressive Scan CMOS |
| Max. Resolution | 2688 × 1520 |
| Min. Illumination | Color: 0.003 Lux @ (F1.4, AGC ON), B/W: 0 Lux with IR |
| Shutter Speed | 1/3 s to 1/100,000 s |
| Day & Night | IR cut filter |
| Wide Dynamic Range (WDR) | 120 dB |
| SNR | ≥ 52 dB |
| Day/Night Switch | Day, Night, Auto, Schedule |
| Image Enhancement | BLC, HLC, 3D DNR |
| Image Parameters Switch | Yes |
| Image Settings | Rotate, saturation, brightness, contrast, sharpness, gain, white balance adjustable by client software or web browser |
Lens & Distance
| Feature | Detail |
|---|---|
| Lens Type | Fixed focal lens, 2.8 and 4 mm optional |
| Focal Length & FOV | 2.8 mm, horizontal FOV 102.7°, vertical FOV 55.2°, diagonal FOV 122.5° | 4 mm, horizontal FOV 82.8°, vertical FOV 45.3°, diagonal FOV 97.7° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Aperture | F1.4 |
| Depth of Field | 2.8 mm: 1.6 m to ∞ | 4 mm: 2.1 m to ∞ |
| DORI | 2.8 mm: D: 64 m; O: 26 m; R: 13 m; I: 6 m | 4 mm: D: 77 m; O: 31 m; R: 16 m; I: 8 m |
| Pan Range | -30° to 30° |
| Tilt Range | 0° to 75° |
| Rotation Range | 0° to 360° |
Night Vision
| Feature | Detail |
|---|---|
| Supplement Light Type | IR |
| Supplement Light Range | Up to 30 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850 nm |
Video
| Feature | Detail |
|---|---|
| Main Stream | 50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) | 60 Hz: 30 fps (2688 × 1520, 1920 × 1080, 1280 × 720) |
| Sub-Stream | 50 Hz: 25 fps (1280 × 720, 640 × 480, 640 × 360) | 60 Hz: 30 fps (1280 × 720, 640 × 480, 640 × 360) |
| Third Stream | 50 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360) | 60 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360); *Third stream is supported under certain settings. |
| Video Compression | Main stream: H.265/H.264/H.265+/H.264+; Sub-stream: H.265/H.264/MJPEG; Third stream: H.265/H.264; *Third stream is supported under certain settings. |
| Video Bit Rate | 32 Kbps to 8 Mbps |
| H.264 Type | Baseline Profile/Main Profile/High Profile |
| H.265 Type | Main Profile |
| Bit Rate Control | CBR/VBR |
| Scalable Video Coding (SVC) | H.264 and H.265 encoding |
| Region of Interest (ROI) | 1 fixed region for main stream and sub-stream |
Audio
| Feature | Detail |
|---|---|
| Audio Type | Mono sound/2 channels/stereo |
| Environment Noise Filtering | Yes/No |
| Audio Sampling Rate | 8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz |
| Audio Compression | G.711/G.722.1/G.726/MP2L2/PCM/MP3 |
| Audio Bit Rate | 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)/32 Kbps (PCM)/8 to 320 Kbps (MP3) |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Face Capture | Yes |
| Perimeter Protection | Line crossing, intrusion, region entrance, region exiting; Support alarm triggering by specified target types (human and vehicle) |
Network & Storage
| Feature | Detail |
|---|---|
| Simultaneous Live View | Up to 6 channels |
| API | Open Network Video Interface (PROFILE S, PROFILE G, PROFILE T), ISAPI, SDK |
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1 (except for -W model), QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, ARP, WebSocket, WebSockets |
| User/Host | Up to 32 users. 3 user levels: administrator, operator and user |
| Security | Password protection, complicated password, HTTPS encryption, IP address filter, Security Audit Log, basic and digest authentication for HTTP/HTTPS, TLS 1.1/1.2, WSSE and digest authentication for Open Network Video Interface |
| 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 | iVMS-4200, Hik-Connect, Hik-Central |
| Web Browser | Plug-in required live view: IE 10, IE 11; Plug-in free live view: Chrome 57.0+, Firefox 52.0+, Edge 89+; Local service: Chrome 57.0+, Firefox 52.0+, Edge 89+ |
| Encryption Mode | -W: 64/128-bit WEP, WPA-EAP/WPA2-EAP, WPA-PSK/WPA2-PSK |
| Wi-Fi Protocol | -W: 802.11b: CCK, QPSK, BPSK; 802.11g/n: OFDM |
| Frequency Range | -W: 2.4 GHz to 2.4835 GHz |
| Channel Bandwidth | -W: 20/40 MHz |
| Modulation | -W: 802.11b: CCK, QPSK, BPSK; 802.11g/n: OFDM |
| Transfer Rate | -W: 802.11b: 11 Mbps; 802.11g: 54 Mbps; 802.11n: up to 300 Mbps |
| Wireless Range | -W: Up to 80 m (The performance varies based on actual environment) |
Event & Alarm
| Feature | Detail |
|---|---|
| Basic Event | Motion detection (human and vehicle targets classification), video tampering alarm, exception |
| Linkage | Upload to FTP/NAS/memory card, notify surveillance center, trigger recording, trigger capture, send email |
| Smart Event | Line crossing detection, intrusion detection, region entrance detection, region exiting detection; Scene change detection |
Interface
| Feature | Detail |
|---|---|
| Ethernet Interface | 1 RJ45 10 M/100 M self-adaptive Ethernet port |
| On-Board Storage | Built-in memory card slot, support microSD card, up to 512 GB |
| Built-in Microphone | Yes |
| Audio | -IS/IWS: 1 input (line in), two-core terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium; 1 output (line out), two-core terminal block, max. output amplitude: 3.3 Vpp, output impedance: 100 Ω, interface type: non-equilibrium |
| Alarm | -IS/IWS: 1 input, 1 output (max. 12 VDC, 20 mA) |
| Reset Key | Yes |
General & Environment
| Feature | Detail |
|---|---|
| Power | -IS: 12 VDC ± 25%, 0.45 A, max. 5.5 W, Ø 5.5 mm coaxial power plug, reverse polarity protection; PoE: 802.3af, Class 3, 36 V to 57 V, 0.18 A to 0.11 A, max. 6.5 W | -IWS: 12 VDC ± 25%, 0.5 A, max. 6 W, Ø 5.5 mm coaxial power plug, reverse polarity protection; PoE: 802.3af, Class 3, 36 V to 57 V, 0.19 A to 0.12 A, max. 7 W |
| Material | Base: aluminum, cover: plastic |
| Dimension | Ø 110 mm × 57.4 mm (Ø 4.3" × 2.3") |
| Package Dimension | 134 mm × 134 mm × 108 mm (5.3" × 5.3" × 4.3") |
| Weight | Approx. 380 g (0.8 lb.) |
| With Package Weight | Approx. 620 g (1.4 lb.) |
| Storage Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Startup and Operating Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Language | 33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian |
| General Function | Anti-flicker, heartbeat, mirror, privacy mask, flash log, password reset via email, pixel counter |
| RF | -W: FCC ID (FCC Part 15.247(BT or 2.4G)); CE-RED (EN 301489-1 V2.1.1(BT or 2.4G); EN 301489-17 V3.1.1(BT or 2.4G); EN 300328 V2.1.1(BT or 2.4G); EN 62311:2008(BT or 2.4G)) |
| EMC | FCC (47 CFR Part 15, Subpart B); CE-EMC (EN 55032: 2015, EN 61000-3-2: 2019, EN 61000-3-3: 2013+A1: 2019, EN 50130-4: 2011+A1: 2014); RCM (AS/NZS CISPR 32: 2015); IC (ICES-003: Issue 7); KC (KN32: 2015, KN35: 2015) |
| Safety | UL (UL 62368-1); CB (IEC 62368-1: 2014+A11); CE-LVD (EN 62368-1: 2014/A11: 2017); LOA (IEC/EN 60950-1) |
| Environment | CE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2006) |
| Protection | IP67 (IEC 60529-2013); IK8 (IEC 62262:2002) |
§ 04Why choose this
Built for the way you actually use the DS-2CD2546G2-IWS
Alerts that matter
AcuSense human and vehicle classification keeps notifications focused on people and cars, not pets or rain.
Audio and a wired option
A built-in microphone records sound, and a standard network port lets you go wired later.
Tough little dome
IP67 weatherproofing and IK08 impact resistance suit indoor or outdoor mounting.
§ 05Where it fits
Right at home in these scenarios
Rented homes
Add a camera without drilling long cable runs; connect over Wi-Fi and power it locally.
Detached garages and sheds
Cover an outbuilding within Wi-Fi range where running a cable to the house is impractical.
Heritage or finished walls
Avoid chasing cables through a finished or protected wall by using the wireless link.
Small shops and offices
Watch an entry or counter with a discreet AcuSense dome and on-board audio.
§ 06Setup
Installation & setup
What's in the box
One DS-2CD2546G2-IWS Wi-Fi mini dome camera with a mounting template, fixings and a quick guide. The power supply, microSD card, network cable and any NVR are supplied separately.
Installation requirements
Mount it within good 2.4 GHz Wi-Fi range of your router or access point, then power it over 12 VDC or PoE. Join it to your Wi-Fi in the Hik-Connect app or web interface, set the AcuSense rules, and record to a microSD card or a Hikvision AcuSense NVR.
§ 07Questions
Frequently asked about the DS-2CD2546G2-IWS
Q.01
Does the DS-2CD2546G2-IWS still need any cabling?
Q.02
How good does the Wi-Fi need to be?
Q.03
Does it record in colour at night?
Q.04
How does it cut down false alarms?
Q.05
Does it have two-way audio?
Q.06
Can I still wire it with a network cable?
Q.07
Will it work with a Hikvision NVR?
§ 09Bundles
Recommended packages
Record and search it
Connect it to a Hikvision DS-7608NI-M2/8P NVR, or a larger DS-7616NI-M2/16P, that supports AcuSense human and vehicle search so the events stay easy to find. For a one or two camera setup, the 4-channel DS-7604NI-M1/4P is a tidy match.
Mix wired and wireless
Run the cameras you can reach over PoE and use this Wi-Fi dome where cabling is impractical, then bring them together on one Hikvision AcuSense NVR.
