4k 8.0mp ultra high definition and 100 ft. color night vision: 4 times the resolution of 1080p， this ultra hd 4k cmos image sensor allows the camera to capture more light， which improves color， contrast， and low-light performance， in 4k resolution， record everything with sharper details with the high pixel count and be able to digitally zoom into far away objects without losing any quality

Simple plug and play poe setup: a single network cabling provides both video and power to your cameras， no longer need to install your security cameras to a power outlet nearby， more stable and reliable than wireless security system

16CH 4K expandable camera system: this is 16Channel 8MP PoE NVR， it provides you the flexibility to extend additional cameras， you can add more (only ZOSI) 8-piece 8MP，5MP or 2MP POE bullet or dome cameras

Remote access and human motion detection and smart light alarm: free app for live view and playback on mobile phone with wi-fi anywhere anytime， this camera is alert and ready to react to any potential danger via smart light alarm system - 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， users are provided 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

Smart light alerts， 1 way audio: your ZOSI camera comes with motion-activated white LED warning lights that can trigger from your phone manually or triggered by human motion events， when the camera detects motion， instant notifications and email alerts with screenshot will be pushed to your smartphone directly， built-in mic captures high-fidelity audio and offers you critical evidence