Introducing the Reolink 4K+ 12MP 16-Channel PoE NVR with 4 TB HDD (expandable to 12TB possible) and advanced AI powered Person/ V ehicle Detection capabilities. Holding up to 8 cameras with up to 4K+ 12MP resolutions, providing crystal clear footage & 24/7 recording, utilising the night vision capabilities of the cameras also. Keep an eye on your home or business the intelligent way, with alert notifications in real-time via the Reolink App when there is a person or vehicle detected, as well as two - way audio for communication and prevention response if required, providing peace of mind, wherever you are. Easy Setup and stable connectivity with PoE Technology. Product Features 24/7 Continuous Recording — The Reolink IP Cameras can record videos 24x7 and transmit HD recordings to Reolink NVRs 16 Channels —Expandable up to 16-Channels with various Reolink Devices, fit your specific needs Supports up to 12MP — Supports 12MP Ultra HD real-time recording/port, bring you more secured world Pre-installed 4TB HDD — Expandable to Max. 12TB Storage. (6TB/SATA & eSATA port). Reliable local storage Compatible with Reolink IP Cameras — Customise your own security camera system with different Reolink Devices Plug and Play PoE Technology — Needs only one network cable for both power supply and video signal transmission Reolink App - All Reolink cameras can be viewed real-time in the palm of your hand wherever you are, via the Reolink Smartphone app. Manage and control your entire Reolink security system(s), communicate with two-way audio with those that trigger your camera's notifications, access, download to your smartphone and even share your footage in just a few button presses. Peace of mind in the palm of your hand! Compatible with Alexa and Google Assistant screen devices.