Good morning everyone, my name is Mr Mike, If you are interested in having a noiseless environment when there is power failure and still be able to do all you need to do with electricity, then you need an ideal inverters installed in your company, business environment and homes,we sell,install and maintain it for you. Warranty is Guaranteed, if you interested in creating a healthy environment and reduce the rate of pollution emitting from generators, cut down your daily,weekly,monthly and yearly fuel budget then you need to do me a mail on uwadinachiamechi@yahoo.com or call 08051479373 for further enquiry.