4K True Full-Color Night Vision: Capture 4K UHD images and videos that are bursting with clarity, color, and defined detail from day to night. The lens with F1.0 super aperture captures 4x more lights than coventional F2.0 ones. With 1/1.8" image sensor, it processes lights with higher sensitivity to form vibrant images at night. Paired with powerful ISP module, CX820 reproduces the night without any color distortion. Advanced HDR Technology: Experience superior image clarity with HDR. Compared with SDR, HDR brings out more vivid colors, with brighter highlights and richer shadows, delivering true-to-life visuals day or night. With HDR magic, every scene is captured just as your eyes see it. Smart Detection & Multi-Layered Alerts: Stay ahead of potential threats with AI detection, capable of detecting human, vehicle, and animal movement. Say goodbye to false alarms. By customizing siren and light alerts, you can warn off intruders with your preset voice messages and varying levels of intense light based your needs. 3000K Warm Lights & 4 Modes: With powerful 3000K warm lights, all details are captured in vivid colors even in low light. The warm lights support 4 modes: Auto Mode, Smart Mode, Off Mode, and Timer Mode. Select the one that best suits your needs and ensure optimal performance in any setting. Easy PoE Setup: Enjoy plug and play connection with Power over Ethernet technology. Plug in one cable and you are good to go for reliable data and power transfer. Feel free to record 24/7 with various storage options, such as microSD card up to 512GB, NVR HDD, FTP server. Note: Power adapter is not included. REOLINK CX820 ColorX PoE Camera, 4K UHD, True Color Night Vision, F1.0 Super Aperture, 1/1.8'' Image Sensor, HDR Technology, Person/Vehicle/Animal Detection, Spotlight & Siren Alarm, 2-Way Talk