... / Over voltage,3. Natural wind cooling,4. LED indicator for power on,5. 100% full loaded aging,6.No-load consumption ... 60°C,10.Suffer 5G vibration testing,11.High efficiency, long life-span and high reliability,12.1 year warranty.Specification: Model ... .5ATol.±5%R & N100mVEffi.0.8 40W Single Output Switch Power Supply