Battery Backup & Surge Protector for Electronics and Computers Includes: (1) Detachable 1.2 m IEC power cord, User manual Audible alarms:Provides notification of changing utility power and UPS power conditions Automatic Voltage Regulation (AVR):Automatically steps up low voltage and steps down high voltage to levels that are suitable for your equipment. Battery failure notification:Provides early-warning fault analysis on batteries enabling timely preventive maintenance Cold-start capable:Provides temporary battery power when the utility power is out. Disconnected battery notification:Warns when a battery is not available to provide backup power. Intelligent battery management:Maximizes battery performance, life, and reliability through intelligent, precision charging Resettable circuit