4K Ultra HD – Reolink 4K Ultra HD (8MP, 3840 × 2160) PoE camera delivers almost four times the clarity of 1080p. Our camera kit provides users a vivid display, even when you digitally zoom in. Any flaw or distortion you’ve encountered before has been eliminated, ensuring you the highest quality view of your surroundings. | Plug and Play PoE System – A simple PoE connection makes it easier to set-up and install your home security camera system. With one single network cable, users can enjoy smooth security coverage of their entire house. This is perfect for both beginner camera users and DIY enthusiasts. | Continuous 24/7 Recording – With a pre-installed 3TB HDD, users are provided reliable 24/7 recording. You can also install an extra internal hard drive (up to 4TB) for backup storage. | Remote Access and Playback – The free Reolink app allows you to access all your cameras remotely, no matter how many you have. Check in on your home or business whenever, wherever. Perform live views and playbacks on your smart device (iPhone, Android, iPad) via WiFi or 3G/4G connection. | 2 Years Warranty – Users are provided with a 30-day money-back guarantee and 2 years warranty. Simply contact Reolink tech support, and we will replace any defected or broken products.