Ubiquiti's Cloud Key Gen2 Plus is an integrated hardware controller and standalone application server for monitoring and managing dozens of UniFi network devices and camera surveillance systems. Compatible with the free UniFi Network and Protect applications, Simple, Bluetooth-powered console setup via the Network and Protect mobile apps, Powered by 802.3af PoE or QC 2.0 USB Type-C, Built-in battery for automatic safe shutdown, Pre-installed 6.4 cm (2.5"), 1 TB hard drive that can be upgraded to 5 TB, Front panel display that helps you to review UniFi system details at a glance.