Swann Smart Security 1080p Wi-Fi NVR CCTV System: 4 Chl 1TB HDD, 2 x 1080p Enforcer Camera. Works with Alexa & Google Assistant - SWNVK-500SD2-EU Your Security Enforcer - Defend your property & deter intruders with motion-activated red & blue flashing lights, spotlights & sirens. 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. SwannNet Wi-Fi Connection - The NVR plugs into power & connects to your internet router via the included network cable or Wi-Fi. SwannNet allows you to select whether each camera connects to the NVR or your home Wi-Fi, meaning you can choose whichever network has a stronger Wi-Fi signal. See Colour at Night - Get colour video at night up to 32ft (10m) with the lights on & even longer, up to 115ft (35m), in black & white during total darkness. More Reliable Security - With Swann’s True Detect, warm objects like people & cars can trigger the lights, siren, push notifications & recording with fewer false alarms to worry about. Speak to See - Enjoy hands-free security using voice commands. Stream video from your camera via the Hey Google & Chromecast, Google Home Hub, or via Alexa devices with a screen, such as Echo Spot, Echo Show or 4K Fire TV. Free Local & Cloud Recording - The massive 1TB HDD can store months of video before overwriting older files. Easily back up video to your personal Dropbox account in the cloud &/or transfer videos to a USB memory stick. There are no ongoing fees ever! Add Enforcer Cameras - This Wi-Fi NVR comes with 2 Enforcer Cameras offering you the flexibility to add 2 more cameras for increased coverage & to reduce blind spots if you need to. One App, Complete Security - Expand your security by adding Wi-Fi cameras & manage everything within the Swann Security app. It’s security made smarter. Depth: 62 MM Prevent Crime - Controllable sensor spotlights with red & blue flashing lights deter intruders Night2Day Colour at Night - See colour video at night up to 32ft/10m & B/W up to 115ft/35m True Detect - Heat & motion-sensing for more reliable alerts Powered Wi-Fi Video - The cameras plug into power while their video signal back to the NVR is wireless, making installation easy Weatherproof - Cameras work in rain & snow, all year round Speak to See - Go hands-free with Hey Google or Alexa Height: 229 MM Width: 126 MM