Make Life Convertible, Long-lasting and efficient compressor, 2x longer freshness Long-lasting and efficient compressor Enjoy great energy efficiency, little noise and a long-lasting performance. Stop worrying about wasting energy if you forget to close the fridge door. The Door Alarm will sound a very audible alarm if the door is not shut properly or accidentally left open for more than 2 minutes. So it can be closed quickly to minimize the loss of cool air and waste of electricity Keep the inside of the refrigerator deodorized and preserve the original flavor and aroma of food for longer. The built-in natural fiber Deodorizing Filter eliminates strong smells as the air is continually passed though activated carbon filters. So you don’t need other odor fighting solutions.