Model Number: ups GP800-1-1-1 Brand Name: KSTAR Key Specifications/Special Features: True online double conversion design providing all power protectionSine wave pulse width modulationIGBT inverter designWide input voltage windowsPure sine wave output with less than 3% THDExpandable backup timeGenerator compatibleCold start Load/battery power meter displayOverload, online and battery status LED/LCDAdvanced battery managementZero transfer time on AC mode to/from battery mode, AC mode to/from bypass mode Smart RS-232 communication portOptional SNMP card