Abnormality detection: Motion detection, video tampering, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, voltage detection. Supports max. 256 GB SD card. 12V DC/PoE power support. IP67 protection

• 4mp & POE: Observe high-quality footage with 1/3” CMOS image sensor, HD 4MP- resolution 25fps/30fps@4M(2560 × 1440) Provide a more HD and smoother visual experience. The min. Illumination：0.03 Lux@F2.0. Power Over Ethernet (POE) for easy installation
• H.265 & EXIR: Smart H.265 technology reduces bit rate and storage requirements by up to 50% when compared to standard H.264 video compression. Support up to 50m IR Night version, EXIR have Better image quality in darkness.
• 2.8~12mm ZOOM & True WDR: 2.8mm~12mm 4× optical zoom, 16× digital zoom， with a Wide 116° Rotating Field of View so you can take full control of your property and reach every angle. For applications with both bright and low lighting conditions that change quickly, true WDR (120 dB) optimizes both the bright and dark areas of a scene at the same time to provide usable video.
• Motion detection & APP: When moving objects appear in the monitoring image, Dahua Motion Detection (General) technology triggers alarm or records. Camera can easy to add the camera to mobile phone via APP(Gdmss, Idmss, Easy4ip, Imou), Preview in real time no matter where you are
• Strength & Quality & Service: This IP Surveillance Camera is Dahua Original IPC-HDW1431T1-S4. Support upgrade via Dahua official website ,Plug and play with Dahua NVR, compatible with ONVIF NVR , Blue Iris, Ispy，Synology, QNAP, NAS, FTP, and etc, we have a professional team, we will provide the life-time and professional technical support.