Providing with all kinds of cheap, customized and discount 120w 12v 10a switch power supply made in China wholesales, it is one of the ... protection and other functions.2. Constant voltage output, to ensure the stability of the power supply, the better and longer life.3.Product ... -OFF control6.100% full load burn-in test.7.Fixed switching frequency at 25KHz.8.Low cost. Certificate:The market is ...