Specification Document: 25989.pdf Features: Pure sine wave output Rack/Tower design Built-in boost and buck AVR Output power factor 0.9 Programmable power management outlets ECO mode operation for energy saving (ECO) Emergency Power Off Function (EPO) Hot-swappable battery design Long-run models available Multiple communication available 2 Year Warranty Multiple communication available: USB port RS-232 port SNMP slot (option) AS400 card (option)