Features:1.Using a new largecapacity large magnetic ring material, the performance is very stable.2.Efficiency, very quiet, stable performance.3.Heavyduty protections, including Over Voltage Protection, Under Voltage Protection, Over Current Protection, Over Power Protection, and Short Circuit Protection.4.he conversion rate is as high as over 95% (while the conversion rate of passive PFC is usually below 70%), and the efficiency is as high as 95%, which can reduce electricity bills. More energy saving! More!5.With cooling fan, safer for using this.Include:1 x Mining Power Supply.