Aluminum Garage Doors specially designed for residential properties in high traffic areas, Model 523RX is an attractive rolling shutter offering added security. Not found elsewhere, Model 523RX is a complete door and operator solution for urban and suburban residential properties where access needs to be restricted from the street or driveway. The door system comes with a Genie DC operator featuring battery backup for operation during brief power outages and is UL 325 listed, meeting rigorous safety standards for continuously monitored devices, like photo sensors.