... , IGBT technology, Advanced PFC technology, self-detection, provide reliable uninterruptible power to your instrument.>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>Features:1.19 inch rack-mount2. High ... bypass and vice versaZeroLED indicatorsStatusLoad level / Battery level, Battery , Utility Power, Inverter, Bypass, Overload, FaultAudible AlarmBypass, On battery mode, Battery ...