Hiseeu 4K PoE Security Camera System, 8CH NVR 4Pcs 5MP Wired Outdoor IP Cameras, Night...

【2.8mm len & 121° Wider View Angle】121° Viewing Angle is the 1.5 times of other normal 78° Viewing angle (3.6mm len ) 【AI Tech for Human/Vehicle Detect】Setting alarm rules like customizing area to catch suspicious person or protecting cars outdoor 【Color Night Vision】 Three Night Vision Modes: 1.Black-and-White 2.Color Night Mode 3. Alarm Light (Only the light will be on when detecting suspicious objects) 【Real-Time 2 Way Audio & Audio Recording】We can talk directly on phone app for asking courier to put package to a certain place you point, and hear sound from app or TV monitor connected to NVR 【8 Ports 16CH Expandable 8MP 4K PoE NVR】With 1TB HDD Hard Drive Preinstalled to provide large recording storage for 16 cameras at the same time (Note: NVR has 8 Ports, and can connect other 8 cameras by adding a extra PoE Switch) 【Work with or without Internet】For local TV monitor surveillance, the 12 camera system can work without Internet ,but If you want to remote access via APP or PC Client Software, we need to connect the system to router to access to internet