FeaturesStorage: 2 TB NVRCompatible with Amazon Alexa / Google Assistant Colour night-vision up to 35mIP66 weatherproof designHeat & motion sensing with 2-way audioPrevent CrimeGet super-bright sensor spotlights & loud siren to deter intruders with the Swann NVR16-8580 Indoor / Outdoor Wired 4K Ultra HD Night-Vision 8-Channel CCTV NVR Kit with 4 Cameras.True DetectHeat & motion-sensing for more reliable alerts.Colour at NightSee colour video at night up to 115’/35m with the spotlights on4K Ultra HDState-of-the-art video to see faces, license plates, close ups & more.Talk & Listen2-way audio to greet guests or warn intruders.What\'s in the BoxNVR-8780 8 Channel NVR with 2TB Hard DriveNHD-887MSFB 4K Bullet Spotlight IP Security Cameras x 4Cat5e Ethernet Cable x 5 (60ft/18m x 4 & 3ft/1m x 1)HDMI CablePower AdapterMouseMounting Screws & PlugsQuick Start GuideTheft Deterrent Stickers