The Simulated Sine Wave and line-interactive topology ensures utility-power performance in the event of an outage or interruption, and EMI and RFI filtering ensure clean power with reduced interference. LED indicators and audible alarms alert you of various conditions, including wiring faults and overloads. The rechargeable batteries feature an 8-hour recharging time, while the 6' power cord and keyhole mounting slots allow for easy installation. Included PowerPanel Personal software can be used for even more in-depth management of the CyberPower CP685AVRG UPS.