HELLO MY DEAR COMPANIONS I AM BACK TO SHARE MY EXPERIENCE WITH YOU, WE ARE USING THIS MORE THAN 3 YEARS WE DID NOT GET A SINGLE PROBLEM WITH THIS.AND ALSO THEY ARE SUPPORTS TO THEIR CUSTOMERS PROPERLY AND DEALING WITH NICELY.THIS AIR COOLER IS VERY COOL AND GOOD SOUND WE ARE VERY SATISFY WITH THIS BRAND AND AS WELL AS MONEY ALSO ITS WORTH IT.SO WE ARE PRESCRIBE TO OUR FAMILY MEMBERS AND FRIENDS AND ALL TO CHOOSE THIS BRAND OF PRODUCT.IT IS VERY GOOD PRODUCT.THANK YOU.