BESVIEW M31 4MP Smoke Detector Housing Hidden IP Camera
M31 PoE Hidden IP Camera Network and Power Interface
mini camera
4MP Smoke Detector Style Ceiling Mounted IP Camera
BESVIEW M31 4MP Smoke Detector Housing Hidden IP Camera

M31 4MP Smoke Detector Housing Hidden IP Camera with 3.7mm Pinhole Lens BESVIEW

BC-IM317NW-4M5
Product Overview
The BESVIEW M31 is a 4MP hidden IP camera designed with a smoke detector-style housing for discreet indoor video surveillance. Its compact ceiling-mounted appearance helps the camera blend into indoor environments while providing clear 4MP video monitoring.

Equipped with a 3.7mm pinhole lens, the M31 captures detailed video for indoor surveillance applications. It supports PoE and DC 12V power options, making installation more flexible for different network security projects.

With motion detection, human detection and vehicle detection, the M31 provides additional video monitoring functions. OEM and ODM customization is available for project requirements and private-label security camera solutions.
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Key Features

  • 4MP High-Resolution Imaging - Delivers 2560 × 1440 resolution for detailed indoor video surveillance.

  • Smoke Detector-Style Housing - Features a ceiling-mounted housing designed to blend into indoor surroundings.

  • 3.7mm Pinhole Lens - Uses a compact pinhole lens for discreet video capture.

  • PoE Power Support - Supports PoE and 12V DC power options for flexible installation.

  • Smart Detection - Supports motion detection, human detection and vehicle detection.

  • H.265/H.264 Compression - Provides efficient video compression to help optimize storage and network bandwidth.

  • Image Enhancement - Supports 3D DNR, D-WDR, BLC and adjustable image settings.

  • OEM & ODM Customization - Supports customized branding and product configurations for security projects.

Image Sensor:1/3'' Cmos Sensor
Signal System:PAL/NTSC
Min. Illumination:Color: 0.05lux @(F1.2, AGC ON), 0 lux with IR
Shutter Time:1/25 s to 1/10,000 s
Lens:3.7mm Pinhole Lens
Image Enhancement:BLC/3D DNR/D-WDR
Motion DetectionSupport
Intelligent Detection(AI)Human Detection,Vehicle Detection
Privacy ProtectionSupport(4 Self-customized Areas)
Wather-Proof:/
Compression Standard
Video Compression:H.265/H.264
Video Bit Rate:512Kbps~6144Kbps(main stream H.265)      
64kbps~1024Kbps(sub stream H.265)
Audio Compression:G711U/G711A/AAC
Dual Streams:Yes
Triple Streams:No
Image
Max. Image Resolution:2560*1440@25fps(4MP)/2560*1440@30fps/1920*1080@30fps
Frame Rate:25fps(4MP).MAX main stream
25fps（D1) .MAX sub stream
Image Settings:3D NR, D-WDR, Image Flip, Saturation, Brightness, Contrast, Sharpness 
adjustable via client software, web browser or Smartphone App
Day/Night Switch:EXT/Day/Night/Auto/Time
Audio
Line IN/line OUT：Support（1ch）
Volnume adject：Yes
Network
Network Protocols:HTTP, TCP/IP, IPv4/v6, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS,
DDNS,RTMP,IP Search(Support P2P, NVR, NVS etc.)
System Compatibility:ONVIF(17.2 with profile S)
On-line ViewingMax. Support 2 Users Simultaneously
Interface
Communication Interface:1 RJ45 10M / 100M Ethernet Interface
RCA Audio Interface:RCA Audio input/output  Interface (Optional)
Alarm in/out interface：Support（1ch） （Optional）
DC Power Plug:DC Power Femate Interface
General
Operating Conditions:-10 °C ~ 60 °C
Humidity 95% or less (non-condensing)
Power Supply:12 V DC ± 10%/PoE
Power Consumption:12 VDC ± 10%, Max Power Comsumption Less than 8W
 (When the infrared lamps turn on)
Weight:0.15KG

FAQ – M31 4MP Smoke Detector Hidden IP Camera

Q1. What is the M31 smoke detector hidden camera?

The M31 is a 4MP IP surveillance camera built into a smoke detector-style housing. It is designed for discreet indoor video monitoring.

Q2. What resolution does the M31 camera support?

The M31 supports 4MP video resolution up to 2560 × 1440, providing detailed images for indoor surveillance.

Q3. What lens does the M31 use?

The M31 features a 3.7mm pinhole lens for compact and discreet camera installation.

Q4. Does the M31 support PoE?

Yes. The M31 supports PoE and 12V DC power options. This allows installers to select a suitable power method based on the project requirements.

Q5. Does the M31 support human detection?

Yes. The camera supports motion detection, human detection and vehicle detection, according to its listed specifications.

Q6. Can the M31 be customized for OEM and ODM projects?

Yes. BESVIEW provides OEM and ODM services, including logo customization, packaging and product configuration options.

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