- MinuteMan EnSpire 900VA/500W 120 VAC stand-by UPS - Designed for desktop, floor or wallmounting- Back-up time - full load: 3.9 minutes- Back-up time - half load: 10.5 minutes- Four UPS outlets and four surge-only outlets- Two transformer-friendly spaced outlets perfect for AC adapters- Single line phone/fax/modem protection- Coax cable protection- LCD front panel display provides clear, readable information about the UPS: Input voltage, output voltage, battery capacity (in percent capacity), estimated runtime, input frequency, AC normal, battery mode, UPS fault, overload, output frequency, weak/bad battery, alarm silence display, connected load consumption (in percent load) - Built-in USB communications port- Includes Minuteman