One order can only be used once. Four Night Vision Modes. Capture more light and reveal vivid details even in very low light conditions with an advanced starlight sensor. Smart Night Vision(Manual Setup). Heat & motion turn on the spotlights, enabling color night vision. Full Color Night Vision(Manual Setup). Illuminate your way at night, full-color image and video let you see more valuable details. Infrared Night Vision(Manual Setup). Infrared LEDs on, image is black and white. Double Defense Against Intruders. Spotlight camera shine a bright light on motion events, plus siren alerts to protect your property. Two-Way Talk in Real Time. You can hear and talk directly to anyone who approaches via built-in mic and speaker. Plug & Play PoE Setup. Easy installation, plug & Play, with a single ethernet cable to transmit both power and video data. Expand Up to 16-Channel System. This 4K 8 Ports NVR can be upgraded to 16CH expandabled with a PoE switch connected(Not included). Detects Out, Alerts Now. The AI-based system can detect people or vehicle from other objects, thus you will only get notified about things that matter. Protect What Matters Most. The camera system allows you to set up specific detection areas to focus on what you really care about. Save Hard Drive Space. 265+ coding compresses video file sizes without quality degradation, saving lots of storage space for longer recording time. Stay Connected Wherever You Go. View live feed, replay footage and customize settings from your mobile devices, whenever and wherever, with all-in-one ZOSI Smart App/AVSS Client. This 5MP/8MP camera kit covers every corner of your house 24/7 with up to 8 cameras recording continuously.