IPC-HUM4231S-L4 2.8mm 2MP Pinhole network camera Mic/Aud-in

The Dahua IPC-HUM4231S-L4-2.8 is a 2 MP network camera with a pinhole lens and a built-in microphone. It uses a 1/3" CMOS sensor and records up to 1920 (H) × 1080 (V) at 25/30 fps, with H.265 and H.264 compression. The metal housing measures 31 × 30 × 31 mm and weighs 81 g.

The camera has a fixed 2.8 mm lens with an F2.0 aperture and an M12 lens mount. It switches between day and night modes with an automatic IR-cut filter, and it offers 120 dB WDR. It connects over an RJ-45 (10/100 Base-T) port, runs on 12 VDC and works with DMSS and SmartPSS Lite.

Key features:

• 1/3" CMOS sensor, 2 MP, up to 1920 (H) × 1080 (V) resolution
• Fixed 2.8 mm lens, F2.0, viewing angle H 96° / V 55° / D 110°
• Minimum illumination of 0.01 lux@F2.0 (Color) and 0.001 lux@F2.0 (B/W), with day/night mode (auto IR-cut) and 120 dB WDR
• H.265 and H.264 compression, 25/30 fps
• Built-in microphone, 1 audio input channel and 1 audio output channel (RCA ports), with G.711a, G.711Mu, PCM and G.726 audio
• RJ-45 (10/100 Base-T) interface, 12 VDC power supply, 1.56 W power consumption, storage to FTP, SFTP and NAS
• Operating temperature of -40 … +60 °C (-40 … 140 °F) and humidity of ≤ 95 %, CE and FCC certificates