The Minuteman MM-AVR Series UPS offers automatic voltage regulation for areas with poor utility power quality. This versatile, low-cost solution is ideal for a range of applications. Quiet Operation: Units can be placed in the office and other environments because of its low noise factor. Automatic Voltage Regulation (AVR): Assures voltage compatibility with 120V equipment. Surge Protection: RJ45 port to protect your telephone, fax, or modem from power surges. 1500VA Capacity 24VDC Battery System uses