At first I also don’t know this power supply what is it, really is a friend let me give it to buy one, I was really stupid, don’t know this power supply how to buy it, the results did not expect friends gave me the power supply is now very easy to use, and it is particularly convenient, on the Internet is still available, I was trying to find out the results did not expect comments also are very good, so this time I really feel this power supply is great, after the buy back, friends also said that the power supply is very good, and it is good.