1.high efficency 2.outputpower: 400W, 800W, 1800W 3.LCD display 4.untility current &solar power can be selected 5.tuv,ec,ISO ... Specification Home Solar 400 Home Backup 400Home Solar 800 Home Backup 800Inverter Output Power 400W800WOutput Current ... ¼” x 10¼” 27cm x 16 cm x 26cm hot sale 400W solar backup power for home ...