... , OVP/OCP/SCP function 4, Cooling by free air5·Universal AC input / Full range6·Protections: Short circuit / Over load / Over voltage7 ... ·Forced air cooling by built-in DC fan9·Built-in cooling fan ON-OFF control10·Fixed switching frequency at 25KHz11·1 year ... Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe 25W Single Output Switching Power Supply(S-25W-12/24V)