After a long research I gone for this inverter and it does not disappoint me. It comes with an 5 led indications and it comes with 2 years of warranty period. Being a sine wave inverter it gives brilliant power backup. So that I can run my laptop and computer without any power failure. It does not works for refrigerator, washing machine etc. One of the best user interface product. It includes system overload alarm feature that signals us when there is overload. Overall it is a good deal at reasonable price.