... adjustable 2,LCD display inverter 3,pure sine wave inverter 4,super charger inside 5,CE ,SONCAP solar system use solar inverter ups 2500w Main ... ,low-voltage,over-heating,etc.5.Easy to check with inverter with consice LED indication that can be upgrade to LCD ... ;3000W/23.5kgSize(mm)LxWxH630*219*179Weight(Kg)4000W/35kg ;5000W/38kg ;6000W/40kg