I am 14 years old then it is true that I am a student.so I need this inverter only for my study.currently, I am in my childhood so I don’t care that what features is available in my available.but now a days we have microtek sine wave inverter so I think that it is my product and I like it.also I want to say that according to me its battery capacity is amazing.because whenever I atarted to study about whole night.my microtek inverter is always on.it never sleeps or its battery is never down.i like it