Your business or home is sure to stay secure with the Samsung SNKD5081 4 Megapixel Super HD NVR Security System. The simplified NVR installation eliminates the need to run separate power and video cables for each camera. This means easier installation and less drilling through walls. The eight 4 mega pixel cameras included result in a clear and crisp detailed video. With our cameras, you'll be covered day and night with night vision up to 130Ft in ambient lighting and 82Ft in complete darkness. The easy to set-up QR code capability makes it a breeze to connect your mobile device quickly and easily through our Wise View app by simply scanning the QR code. 3TB of hard drive storage, intuitive menu and controls, allow you to easily search and review archived videos. Live life worry free- you can be alerted of anything happening when you are away or sound asleep in your bedroom.