This PoE add-on Camera requires eufy Network Video Recorder S4 to operate. eufy Network Video Recorder S4 required for all eufy PoE Cams. 4K UHD and 122° Wide-Angle FOV: Experience stunning 4K Ultra HD resolution for incredibly sharp, lifelike video with a 122° field of view that offers extended coverage that's perfect for capturing dynamic environments in exceptional detail. Starlight Colour Night Vision: See the night in full daytime colour with AI-ISP (Image Signal Processing). If you need a clearer view, activate the spotlight and use HDR to prevent overexposure, for a picture crisp enough to read a number plate. Intelligent Detection: Automatically distinguish between people, pets, and vehicles to reduce false alerts by 99%, so you only get notified when it matters. Red and Blue Warning Lights: On-device AI expertly tracks intruders to defend your property and deters threats with smart sirens and red and blue lights to stop danger in its tracks. Clear Two-Way Audio: AI noise reduction filters out background noise for crystal-clear, distraction-free two-way communication. 24/7 Recording with PoE: A single PoE (Power over Ethernet) cable handles power and data for 24/7 recording, ultra-fast connection speeds, and easy setup that ensures always-on security. Note: PoE NVR, switch, injector, and DC adapter required (not included). Weatherproof: Withstands any weather with robust IP67 waterproofing for reliable monitoring in all conditions.