... -circuit protection 3.100% full-load burning test 24Vmax 2.5Amax 15Wmax dual color led light universal adapter colorblackled indicatoryesinput ... bad led indicator, no high voltage, no low voltage, no output, etc. 3.Assembly full inspection: to make sure every unit ... no cracked wires, no missing screw,no label misaligned, etc.2.Sampling inspection: IQC (incoming quality control): according to AQL-MIL ...