Key Features. Crystal Clear 4K Ultra HD Recording Quality View footage using the App for i OS and; Android Heat and; Motion detectors help keep your home safe Set and; Forget keeps your security recordings on a massive 2TB HDD for over 300 days Compatible with Google Assistant and; Chromecast 40 Metre night vision Features audio recording. Innovative Thermal-Sensing Motion Detection Technology Swanns True Detect PIR Thermal Sensing technology detects motion by heat such as from people and; cars to trigger recording & push notifications. This virtually eliminates false triggers like plants moving with the wind to only capture events with security relevance. Get amazing image definition with 5 Megapixels which is 2.4x better than 1080p Full HD (2MP). Zoom in closer with incredible clarity to license plates facial features & clothing patterns. Cameras The 4 IP security cameras NHD-865MSB come with Ethernet cables & are weatherproof built tough for the outdoors or indoors. See in the dark up to 40 metres with the cameras powerful infrared night vision. Enjoy easy camera installation with Power over Ethernet (Po E) as each camera is connected via Cat 5 network cable to transmit power video & audio. Expand your CCTV system by adding up to 4 more cameras for a complete 8 channel home security system suitable for medium-sized businesses and; detached homes. You may even add 8-megapixel 4K cameras which have 1.7 times more pixels than 5MP. Smartphone Integration The Home Safe View app ensures youll always be connected to your home or business allowing you to see your cameras on your smartphone or tablet live or playback from wherever you are in the world. What's In the Box. 1 x NVR-8580 8 Channel NVR with 2TB Hard Drive 4 x NHD-865MSB 5MP Bullet Cameras 5 x 18 Meter Cat 5e Ethernet Cables HDMI Cable Power Adapter and; Splitter Mouse Mounting Screws and; Plugs Quick Start Guide Theft Deterrent Stickers..