Continuous power: 2000W Peak power: 4000W Input voltage: 10-15VDC or 21-28VDC Output voltage: 110 / 220 / 230 / 240 VAC Output wave form: modified sine wave Frequency: 50hz or 60hz Low input voltage warm: (10.5 +/-0.5) / ( 20.5 +/-0.5)V Low input voltage protection: (10 +/-0.5) / (20 +/-0.5)V Fuse:7X35A Dimension:42X20X8CM Weight:5.3KGS Packing:color box Packing size:52X29X26CM QTY:2PCS/CTNS G.W:12KGS Container 20FT:1300PCS Automatic thermal shutdown Low battery alarm / shutdown Short Circuit Protection Overload protection Over heat Protection Over-voltage Protection Built-in cooling fan Full input and output protection Reverse polarity protection We have CE-LVD,CE-EMC,E8,RoHS approval etc