ZOSI 8CH 4K PoE Home Security Camera System with Audio,8pcs 8MP Outdoor Indoor PoE IP Cameras,Color Night Vision,Human Detection,Smart Light Alarm,8 Ports 16CH 8MP NVR with 2TB HDD for 24/7 Recording

• 【4K Ultra High Definition & Color Night Vision】Experience four times the resolution of 1080P with our Ultra HD 4K CMOS Image Sensor. This allows the camera to capture more light, resulting in improved color, contrast, and low-light performance. Enjoy recording everything with sharper details, even at night, and digitally zoom into faraway objects without any loss of quality. 【Customizable Detection Zone & Smart Light Alarm】Our camera features customizable detection zone and smart light alarm system to keep you informed of any potential danger. Receive notifications with image on your smartphone via the ZOSI Smart app when unexpected movements are detected. Minimize false alarms by setting up the detection zone according to your preferences. 【Remote Access & Playback】Stay connected to your home or business with the free ZOSI Smart app. Access live view and playback on your smart devices, providing you with remote access from anywhere at any time. 【4K 8 Ports NVR Upgrade 16CH Expandable】This 4K 8-port NVR can expand up to 8 PoE cameras. If you additional purchase a PoE switch (not included), you can update to 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 heads or dome cameras. 【Continuous 24/7 Recording with 2TB Hard Drive】Our NVR comes with a built-in 2TB security-grade hard drive, allowing for reliable 24/7 recording. It supports ultra-long continuous recording and backup via USB. The NVR can be set to automatically overwrite the oldest internally stored footage or you can transfer video files to a memory stick or external hard drive via USB.