low frequency pure sine wave power inverter 600w 800w 1000w,1500w ,2000w ,3000w ,3500w, 4000w ,5000w ,10000w Outstanding feature : Pure sine wave inverter with AVR function 1. Inverter Features1.Pure sinewave output,can be used withdifferent domestic appliance like TV, refrogerator ,fan,air conditioner.cooker,mirco-wave oven,etc.2.Superior..