1) Compact and light weight 2) Pure sine wave output 3) High efficiency 4) Voltage overload protection 1200W PURE SINE WAVE INVERTER WITH CHARGER & UPSInverter Output Wave Form: Pure Sine WaveDigital display showing DC voltage & load percentageDC/AC IsolatedPre-slotted mounting platewith battery chargerAutomatic switch with transfering time 20ms (which can ensure the power supply uninterrupted) ...