Simple plug and play PoE setup， a single network cable can provide video， audio and power to your cameras， no longer need to install your security cameras to a power outlet nearby. The digital signal will keep a real 5MP high-definition image via ethernet cables.

Sound and light alerts， the cameras come with motion-activated white LED warning lights and siren， which can be triggered on your phone manually or by human motion automatically. Instant notifications and email alerts with screenshot will be pushed to your smartphone.

2-Way Audio Enabled. Each cameras are built in speaker and microphone， let you stay in touch with your household， allowing for personalized voice messages and the ability to deter or welcome visitors.

Local or remote access， playback anytime and anywhere， view and control your security system via free ZOSI Client software on PC， or via ZOSI Smart APP on phone， tablet. Playback significant evidence or funny videos records by searching day， hour or minute.

Expandable 4K 8MP 16 Channel NVR. This NVR support 8MP IP cameras and get 4K resolution output， you can add more 8pcs PoE cameras with a range of 8MP， 5MP 4MP or 2MP POE bullet heads or dome cameras.

ZOSI NVR offers 4 kinds recording modes: record footage 24/7 continuously; record during scheduled times; only record when detect motion; recycle record. Pre-install 4TB security grade hard drive， the NVR system can overwrite the oldest footage once full storage， you can also download and backup the recording files by using USB port.