Lightcloud Gateway - Black Finish - Central hub of a Lightcloud network - Manages up to 200 Lightcloud devices, including controllers, sensors and switches - Does not require internet access or installation of any software - Connects site to monitoring servers via encrypted 3G cellular service (included) - Built-in uninterruptible power supply with battery backup - Integrated junction box for easy installation - UL Listing: Indoor use only - Input Voltage: 120V-277V VAC - Battery Backup: Rechargeable Lithium Ion