IPC-HUM4431S-L4 - Camera with 2.8 mm fixed pinhole lens and 4MP CMOS sensor guarantees high-definition images even in low light conditions thanks to Starlight technology. It records in maximum resolution 2688×1520 at 20 fps with H.265+ compression to reduce bandwidth and space consumption. Includes intelligent functions such as intrusion detection, tripwire and motion detection, as well as a built-in microphone for two-way audio. Compact and discreet, it is ideal for banks, shop windows or advertising spaces with WDR protection, anti-tampering and advanced cybersecurity. Dahua
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IPC-HUM4431S-L4 | DAHUA 4MP ONVIF® MINI IP CAMERA - 2.8MM LENS - VIDEO ANALYSIS AND AUDIO - MICROPHONE

The Dahua IPC-HUM4431S-L4 pinhole camera offers discreet surveillance with a 4MP CMOS sensor and 2.8mm fixed lens, ideal for covert installations in sensitive environments. It supports resolutions up to 2688x1520 at 20 fps with Smart H.265+ encoding for space savings, Starlight technology for low-light viewing, and intelligent features such as tripwire, intrusion, and tampering detection. Perfect for banks and retail stores, it guarantees advanced video quality and comprehensive cyber protection.
Main specifications:
- 4MP CMOS sensor and 2.8mm lens
- Smart H.265+ encoding and Starlight technology
- IVS functions: intrusion and tripwire
- WDR 120dB and tampering detection
- Two-way audio with built-in microphone
- Advanced cybersecurity protection
Further details
Day/Night
Color/B/W
BLC
Yes
HLC
Yes
WDR
120 dB
White Balance
Car; 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)
Image Rotation
0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower)
Mirror
Yes
Privacy Masking
4 areas
Audio
Built-in MIC
Yes
Audio Compression
G.711a; G.711Mu; PCM; G.726
Alarm
Alarm Event
Network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; audio detection; voltage detection; security exception
Network
Network Port
RJ-45 (10/100 Base-T)
SDK and API
YesCyber Security
Video encryption; Firmware encryption; Configuration encryption; Digests; WSSE; Account lockout; Security logs; IP/MAC filtering; Generation and importing of X.509 certification; syslog; HTTPS; 802.1x; Trusted boot; Trusted execution; Trusted upgradesNetwork ProtocolIPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Good morningInteroperabilityONVIF® (Profile S/Profile T); CGI; P2P; MilestonesUser/Host20 (Total bandwidth: 48 M)StorageFTP; SFTP; NASBrowserIE Chrome FirefoxManagement SoftwareSmart PSS; DSS; DMSSMobile ClientiOS; AndroidCertificationCertificationsCE-LVD:EN62368-1; CE-EMC:Electromagnetic Compatibility Directive 2014/30/EU; FCC:47 CFR FCC Part 15, Subpart BPortAudio Input1 channel (RCA port)Audio Output1 channel (RCA port)PowerPower Supply12 VDCPower ConsumptionBasic: 1.4 W (12 VDC) Max. (H.265 + intelligence on + WDR): 1.8 W (12 VDC)EnvironmentOperating Temperature–40 °C to +60 °C (–40 °F to +140 °F)Operating Humidity≤95%Storage Temperature–40 °C to +60 °C (–40 °F to +140 °F)StructureCasingMetalProduct Dimensions31.0 mm × 31.0 mm × 30.0 mm (1.22" × 1.22" × 1.18") (L × W × H)Net Weight81 g (0.18 lb)Gross Weight138 g (0.30 lb)