PoE installation， easy set up: power， video and audio run through a single PoE cable， making installation simpler， the package comes with 60 ft./100 ft. network cables， which can stretch to 270 ft. via CAT5 and 330 ft. via CAT6 ethernet wiring， no need to connect the power cable， lower the risk of electric leakage and easy to set up， this literally simplified the installation and reduced costs

4K 8.0 MP Ultra HD & color night vision: 4 times resolution of 1080P， this Ultra HD 4K CMOS Image Sensor capture more light and improves color， contrast， and low-light performance， record sharper details with the high Pixel count， you're able to digitally zoom into far away objects without losing any quality

16CH 4K Expandable camera system: 16 Channel provides you the flexibility to extend additional cameras， you can add more 8pcs 8MP，5MP， or 2MP POE Bullet or dome cameras

Trully Digital Plug&Play PoE System: a simple PoE connection makes it easier to set up and install your home security camera system. Unlike the CCTV DVR systems， videos from the IP camera system will not be degraded or destroyed by cables， the digital signal will keep a real 8mp high-definition image via ethernet cables

Remote Access， Human Detection， Smart Light Alarm: Free ZOSI Smart app for live view and Playback on smartphone/tablet/PC with Wi-Fi/4G/3G/2G anywhere anytime， this camera is alert and ready to react to any potential danger via smart light alarm system， sensitive triggered by human motion events or controlled manually to keep troubles away

Continuous 24/7 recording with 4TB hard drive: built-in 4TB Security Grade Hard Drive， reliable 24/7 recording， support ultra-long continuous recording and backup by USB， 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

The Package includes: 1*16CH 4K UHD NVR， 8*8MP IP Cameras， 8*60ft Enthernet Cables， 1*48V 2.5A Power Supply， 1*6.6ft HDMI cable， 1*3.3ft Enthernet Cable， 1*USB Mouse， 8*Mounting Srew Bags， 1*Quick Start Guide， 8*Mounting templates， 8*Warning Sticker.