... Linear Load): ≤ 6% THD (Non-Linear Load) Waveform Pure Sinewave Battery Type and Number 12V/7AH Depending on the capacity of ... Inverter to Bypass 2.5ms (Typical) Indicator Status Load Level / Battery Level / Battery Mode / AC Mode / Bypass Mode / Fault Audible alarm ... 60dB@1 Meter Interface Smart RS232 Software Support Windows family, Linux, Sun Solaris, IBM Aix, Compaq True64, SGI IRIX, FreeBSD, ...