ZOSI 4K 8CH PoE Security Camera System, 8 Ports 16CH 8MP NVR Recorder with 2TB HDD, 8pcs Weatherproof 5MP Outdoor Indoor Home Surveillance IP Cameras, Night Vision, Motion Alert, for 24/7 Recording - 8EN-4285X2615W4S-20-US

• 【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 3MP POE bullet heads or dome cameras. 【Smart Motion Detection & Instant alerts】The PIR motion sensor is more sensitive. When a motion event is detected, you will receive instant app push notifications and email alerts. Flexibly set motion sensitivity and working time to avoid false alarms caused by moths or branches. 【8pcs 5MP Weatherproof Camera】These Camera use Aluminum Metal materials, Can be installed in outdoor or indoor place. Get a sharp and crisp image day or night with the camera's automatic IR-CUT filter Up to 100ft night vision. 【Custom Detection Zone & Remote Access】You can customize a specific motion detection zone in each camera to minimize false alerts and protect your privacy. With ZOSI Smart free app, it supports remote access, live view and playback by multiple family members. 【24/7 Recording】Built-in 2TB Security Grade Hard Drive, users are provided reliable 24/7 recording. Support long continuous recording and backup. NVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external Hard Drive.