1、[Powerful Performance] The reversed polarity of this semiconductor cooling chip allows for ice cold or heat to boiling in minutes. 2、[Professional Component] The semiconductor cooling chip is a very practical blend of semiconductor technology and electronic assembly technology. 3、[Easy Installation] The compact size of this semiconductor refrigeration chip makes it easy to install and use, and it can be installed quickly by new users. 4、[Wide Range of Uses] This semiconductor cooler is primarily used in many applications from CPU coolers to backup power supplies. 5、[Fine Workmanship] The semiconductor cooling tablets are exquisitely made, appropriately sized, simply wired, responsive, and have a long service life.