... .outputpower400W, 800W, 1800W 3.LCD display 4.untility current &solar power can be selected 5.tuv,EC,RHOS Specification Home Solar ... Backup 400Home Solar 800 Home Backup 800Inverter Output Power 400W800WOutput Current 3.3A6.6ASurge Power 800W1600WOutput Voltage 120 VAC / 60 HzOutput Frequency ... ½“ x 6¼” x 10¼” 27cm x 16 cm x 26cm New design 800W backup power for home system