【Plug and Play】Easier installation with Ethernet technology (PoE). Simply connect the PoE IP camera to the NVR with a single Ethernet cable for both data and power transmission, ensuring a more stable and reliable connection compared to wireless systems and making it more suitable for beginners. 【3K 5MP HD and 100ft Night Vision 】Upgrade your security with our 5MP HD POE camera kit, designed to provide crystal-clear surveillance day and night. Capture live video with 5MP PoE security cameras,experience bright and crystal-clear images in real color that you can see more detail, such as faces and license plates. Up to 100ft night vision ensures clear video footage in dark environments, providing you with crystal-clear footage during both day and night. 【Motion Detection & Smart Alerts】ZOSI smart surveillance camera is equipped with a siren and spotlight as a deterrent reacting to any potential danger, always protecting your property safety. Free app for live view & Playback on Mobile Phone with Wi-Fi anywhere anytime.You can customize a specific motion detection zone in each camera to minimize false alerts. 【4K 8 Ports NVR Upgrade 16CH Expandable】This 4K 8-port NVR can expand up to 8 PoE cameras. If you purchase an additional PoE switch (not included), you can update to a 16-channel system. It provides you with the flexibility to expand additional cameras. You can add more (ZOSI only) 8MP, 5MP, or 2MP POE bullet or dome cameras. 【24/7 Recording with 2TB Hard Drive】Built-in 2TB Security Grade Hard Drive provides reliable 24/7 recording. Supports long continuous recording and backup.The NVRcan be set to automatically overwrite the oldest internally stored footage or you can transfer those video files via USB to a memory stick or external hard drive. It also supports remote access, live view, and playback by multiple family members., Manufacturer: ‎Ansjer Electronics Co., Ltd.