DC-AC inverter, Power inverter, Inverter with charger, IS09001:2000, CE certificate. Power inverter pure sine wave ... after AC loss, automatic recovery after utility power backFULL LOAD CAPACITY400W800W1200W1600W2400W3200W4000WWAVE DISTORTIONTHD < 3%OVER LOAD ... connectorsINDICATOR STATUSUtility input with "POWER" & "BYPASS" light onUtility power loss with "INVERTER" light onConnected with load ...