4-channel security camera kit. Activate them with actions so that you can monitor and manage everything from your phone (compatible with Android and iOS). Unlike DVRs, this system does not require cables. With a Toshiba 1TB drive, you won't miss a thing, keep everything recorded. Since it has an infrared LED, it can record HD videos even in the dark. Installation is very simple and requires no technical knowledge. If you have a business to protect, this is the right toolkit.