Cut the cost of crime and know what‚Äôs happening with the Swann 4K Ultra HD NVR Security System to suit homes, offices, small businesses and retail stores. 4K Ultra HD resolution 93¬? wide viewing angle Super-bright sensor spotlights and loud siren True Detect heat and motion-sensing Colour video at night up to 35m with the spotlights on 2-way audio Pre-installed 2TB Hard Drive IP66 weatherproof design Go hands-free with Google Assistant or Alexa The Swann 4K Ultra HD NVR Security System with Face Recognition lets you add an unlimited amount of people to trigger recording alerts. Powerful deterrence Spotlight cameras turn the lights on when motion with heat is detected. The built-in speaker lets you talk back and sound an alarm siren to stop crime before it happens. Heat-sensing technology lets you know what‚Äôs happening sooner with push notifications, allowing you to act immediately to prevent unwanted activity. Spotlight colour night vision The super bright spotlights turn on with warm activity near the camera, like people and cars. Get colour video up to 35m so you can see the colours of clothing, cars and more. Audio adds another layer of evidence Hear off-screen noises and identify voices by their gender, age, accent and language. Record conversations and make sure your kids or elderly family members are being well taken care of by anyone assisting them. Speak to see Enjoy hands-free security using voice commands. Stream video from your camera via the Google Assistant and Chromecast, Google Home Hub or via Alexa devices with a screen. Free storage to hard drive The massive 2TB HDD can store months of footage before overwriting older ones. Easily transfer videos to a USB stick or download via network with no ongoing fees ever.