ZOSI 5MP 8CH PoE Security Camera System with 8 Port Gigabit PoE Switch | 4pcs Outdoor Spotlight IP Cameras, 2TB HDD NVR, Smart Human/Vehicle Detection, 2-Way Audio, Color Night Vision.

Motion Detection & Sound Light Alarm: With the advanced PIR Motion Detection technology, you will receive instant App push notifications when motion events are detected. And this camera stays alert with the smart light and sound alarm system that reacts in time to any potential danger triggered by human motion events. Built-in brilliant white lights and high-pitched siren offering double insurance and let you stay protected even when you are asleep.
Two Way Audio & Remote Access: Built-in mic and speaker let you stay in touch with your household. Check in with the family or tell your dog to stop barking, or say hello to the delivery man through the free App. And you can live view & playback on mobile phone anywhere anytime.
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 camer