Modified sine wave inverter 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