4K UHD View and Two Night Vision Modes: Immerse yourself in stunning 4K UHD views. Color and infrared night vision modes give you comprehensive night visibility. Enjoy ultra-clarity round the clock, capturing vivid details regardless of day or night. | 16X 3D Zoom Function: Enhance your live view experience through the streamlined 3D zoom function. Instantly focus on specific areas without the need for multiple clicks, effortlessly centering the target on your screen for seamless capture. | 360° Pan & 90° Tilt with Auto Tracking: Experience an expansive view with the RLC-823S2's 360° pan and 90° tilt capabilities. The camera auto-tracks activities, ensuring comprehensive surveillance coverage even in large areas. | Smart Detection & 2-Way Audio: Accurately identify person/vehicle/animal (not only cats/dogs but a wide array of animals) movements, reducing false alarms. Engage in seamless conversations with individuals near the camera via two-way audio, simple yet efficient. | PoE Technology & Multiple Storage and Recording Options: A single cable handles the stable 4K video transmission and the power supply, reducing wire clutter while ensuring a robust signal. It is recommended to use an IEEE802.3at PoE switch for optimal performance.