iMeshbean 250W 300W 500W 600W 1000W 2500W Grid Tie MPPT Power Inverter Converter for Solar Panel and Wind Turbine Generator System Stackable Pure Sine Wave USA (600W Solar Input 10.8v - 30v DC) Note U will get a lamp for gift, we may send it from different warehouses. Normal AC Output Power:540W;Maximum AC Output Power:600W;AC Output Voltage Range:90V ~ 130V AC AC Output Frequency Range:46Hz ~ 65Hz;Total Harmonic Distortion(THD):&lt;5%;Power Factor:0.99 DC Input Voltage Range ( Optional ):10.8V ~ 30V DC;Peak Inverter Efficiency:92%;Standby Power consumption:&lt;0.5W Output Current Waveform:Pure Sine-wave;MPPT Function;Over Current Protection;Over Temperature Protection;Reverse Polarity Protection;Anti-Island Protection;Stackable Operating Temperature Range:-10 0C ~ 45 0C