IT HAS BEEN LAST ONE YEAR SINCE WE HAVE HAVE INSTALLED THIS STABLISER IN OUR HOME, THOUGH ITS APPEARANCE AND LOOK IS GOOD BUT IT FALES IN POWER STORAGE AND SUPPLY DELIVERY.I AM VERY SORRY TO SAY BUT THIS UPS IS NOT WORKING PROPERLY, WE HAVE SEEN MANY FLUCTUATION IN POWER SUPPLY DUE TO WHICH CERTAIN APPLIANCE AND EQUIPMENTS ARE NOT WORKING PROPERLY.WE HAVE SENT THIS PRODUCT IN SERVECING CENTER.HOPES GOOD FOR PRODUCT AND IF COMPANY IS ABLE TO MINIMIZE SUCH DEFECTS THAN YOU XAN SURELY HAVE THIS INSTALLED IN YOUR HOME.