... ,High efficiency, high reliability 4,1 year warranty 5.Good service Switching Power Supply(S-40W-12/24) (ZYY Switching power supply)Specification:Packing: White ... , OVP/OCP/SCP function 4, Cooling by free airStandard switching power supply 40WHigh efficiency, high reliabilityUniversal AC input / Full range100% full load ...