... FCC,ROHS,KC,UL,ect 3.Warranty:2 years at least 4,MOQ:100PC 3A 12v ac-dc power supply Certification UL,SAA ... / communication / security / lighting / medical etcEnvironmental and reliabilityl Oprating temperature, 0~40°Cl Oprating humidity , 10~90%RHl Storage temperature, -20 ... ~+80°Cl Storage humidity , 5~90%RHl Leakage current , 0.25mA maxl Withstanding voltage, 3000Vac 1 minute 10mA maxl Burn ...