power supply with 2 years warranty 100% full-load burning test Small ... Power250WWave and noise150mVp-pSetup,rise,holdup time100ms,50ms,20ms InputInput Voltage range90~132VAC/180~264VAC,47~63Hz 255~373VDCAC Input Current3 ... /500VDCCertificateCE ,ROHSPacking24pcsFeature:1,Low price and high reliability2,AC input power suitable for the world3,High efficiency and low operation temperature4,Soft-start ...