FeaturesStorage: 2 TB DVRWorks with Amazon Alexa & Google AssistantAdd up to 16 compatible cameras4K Ultra HD recordingDimensions: 15.75 x 12.6 x 1.97\" (W x D x H)Peace of Mind From Every Angle with the Swann Wireless 4K Ultra HD 16-Channel CCTV DVR Recorder.Reliable Wired ConnectionProtect your loved ones & property by adding compatible PoE IP Security cameras to create a security system that’s truly yoursSee & Hear Everything in Ultra HDThis NVR is 4K-capable and can take 5MP & 4K (8MP) cameras, all with audio recording and impressive night vision for 24/7 protection.Prevent Unwanted ActivityAdd Sensor Spotlight Cameras that turn the lights on & trigger recording when they detect heat. The 2-way audio & siren let you talk back & scare off intrudersHeat SensingAll compatible cameras have Swann’s True Detect™ heat & motion detection that triggers video recording & push notifications when they detect motion with heat.Set & ForgetStore months of recording before overwriting older footage onto the massive 2TB hard drive with no fees ever. Save still images directly to your Dropbox account4K Smart Video AnalyticsAdd 4K cameras to get smart video analytics that is exclusive to 4K cameras, such as Face Detection, Line Crossing and more.Prevent CrimeHeat sensing technology lets you know what’s happening sooner, allowing you to act immediately to deter unwanted activity.Identify Fine DetailsSee faces, tattoos and license plates with stunning image quality. 4K Ultra HD is 4 times the resolution of 1080p Full HD.Peace of Mind from AnywhereSee live or playback video from anywhere in the world with the HomeSafe View app.Dropbox IntegrationAdd cameras and set up the recorder to upload still images to your Dropbox account in the cloud. So even if your security recorder gets stolen, you’ll have image evidence stored off-site.Free Storage with the Massive HDDThe massive 2TB HDD can store months of recordings before overwriting older footage. Easily transfer videos to a USB stick or download via network with no ongoing fees ever.Easier Installation with Power over EthernetOn all compatible cameras, power, video and audio run through a single Ethernet cable per camera with Power over Ethernet cabling, PoE, making installation a lot simpler.Smart Video AnalyticsAdd 4K cameras to get video analytics that is exclusive to 4K cameras. Video analytics recognize visual elements to trigger recording & alerts. Set up Face Detection, Line Crossing Detection, Perimeter Intrusion Detection, Static Object Detection, Person Detection & Crossing Counter.Add CamerasAdd 5MP or 4K (8MP) Spotlight Cameras with powerful deterrence technology. Super bright spotlights turn on when activity is detected, bringing an image to colour. The speaker sounds a siren and allows you to talk back to scare off intruders. Prevent CrimeHeat sensing technology lets you know what’s happening sooner with push notifications, allowing you to act immediately to deter unwanted activity.What\'s In the BoxNVR-8580 16 Channel NVR with 2TB Hard DriveCat5e Ethernet Cable x 1 (3ft/1m)HDMI CablePower AdapterMouseQuick Start GuideTheft Deterrent Stickers