Minuteman Power Technologies ETR1500LCD Entrust LCD Line Interactive UPS Efficient Automatic Voltage Regulation (AVR) Hardware - Regulates output voltage for protection against spikes, surges, brownouts, and blackouts Compact form factor - ideal for tight installs Protect all of your devices - 10 power battery backup and surge-only outlets ensure space for all pieces of the system Tool-less Battery Access - Setup and maintenance made easy with tool-less battery panel Efficient, Responsible Power - ENERGY STAR and RoHS 2 Compliant