GW8171MIC12-4T is our reliable 16-Channel Security Camera System with unmatched video quality， perfect for any home and business with the need to protect valuable possessions. This ultimate HD security package comes with 12 8MP IP Dome cameras， an NVR with a built-in 4TB security-grade hard drive that can store up to 400-hours of video surveillance and can also be upgraded to an astronomical 24TB hard drive capacity for even more hours. 4K video has 400% more pixels per frame than standard 1080P (2MP) HD. 8 megapixels boast 3840 x 2160 resolution， additional pixels make the digital zoom more effective， providing more details at close distances or the ability to digitally zoom in on details at a greater distance than before. Our high-performance system uses H.265 compression. H.265 is faster， consumes 50% less data allowing you to store more video to your NVR while also preserving and improving upon superior video quality. The Power over Ethernet setup is clean and simple with a single network cable， built-in P2P service and support of ONVIF protocol. 100% True Plug-and-Play - An additional built-in network interface provides a unique IP address to each security camera， eliminating the hassle of messy IP security camera configurations.

View and record in widescreen with remote viewing on PC， Mac， iPhone， iPad and android devices， plug and play setup is so easy， simply connect the IP cameras to the NVR， download the smartphone app， scan the NVR QR code and you are ready to begin live viewing and recording

Built-in microphone cameras are perfect for recording even the quietest audible disturbance

Wide dynamic range and 3D dynamic noise reduction， you will see better image quality in light contrast areas and at night， GW's high-quality LEDs allow these HD IP cameras to see up to 115 ft. in complete darkness for 24-hour-a-day protection

System has 15 AI smart functions including human detection， area intrusion， line crossing， region entrance/exiting， object missing， parking detection， etc. you can customize motion detection zones with 15 AI smart functions and adjust motion sensibility， you will get notifications only when the human or AI smart motion is detected. the useless motion caused by natural sources will be filtered， it will greatly reduce annoying false alerts

Color night vision is a camera feature using powerful light sensors to record full color in minimal light with this improved feature， you get more detail and contrast in night time video recording for the extra security comfort

Traditionally surveillance footage had to be recorded into a DVR recorder or NVR， our advanced technology allows newer recording options， having a micro-sd card inserted into the camera means it can work independently recording internally， the max supporting size is 128GB of internal storage

2-year warranty and free lifetime tech support

Package includes: GW7816NP: 16-channel H265 NVR with 4TB hard drive， 12 x GW8171MIC: 8MP dome cameras， 6 x GWCAT100: 100 ft. CAT5 cables， 6 x GWCAT60: 60 ft. CAT5 cables