Ultra-Impressive 4K Video in pro-quality Ultra HD to see everything that’s happening live or in playback mode, plus you can zoom in close to see car license plates, faces & so much more. Speak & You Can See Enjoy hands-free security using voice commands. Stream video from your camera via the Google Assistant & Chromecast, Google Home Hub, or via Alexa devices with a screen, such as Echo Spot, Echo Show or 4K Fire TV. True Detect Heat & Motion Detection Add cameras with Swann’s True Detect, so warm objects, like people and cars, trigger recording & push notifications. Protection 24/7 Add cameras with powerful infrared night vision so you can see in the dark, which automatically kicks in as the night falls. Save Evidence Off-Site Set up the system to upload footage and still images to your Dropbox account in the cloud. So even if your security system gets stolen, you’ll have video evidence off-site. Free Storage with Massive Hard Drive The 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. Expand Your Security A 16-channel surveillance system suits small businesses and very large homes. See the office, stairwells, entrances, warehouse, loading dock, retail store, parking lots and more to protect your valuable assets. Add up to 8 more cameras to cover any blind spots. See Compatible Products section below.