... Power 300WOutput VoltageAC 220V ±10%Output Frequency 50±2HzWave FormModified Sine Wave Max. Efficiency90%DC Voltage12VNo Load Current Draw<0.3AContinuous Ouput ... load protection,Short circuit protection, Reverse polarity protection, Low voltage protection, Over voltage protection, Over temperature protection. Dimensions18.1 x 9.8 ...