9V ac adapter 1, CEC, LEVEL V; 2, Compact size, light weight 3, Regulated stable ... requirement100% burn in test1 year warrantySafety: CE, RoHSPlug in type AC adapter 9V 1.3A,1.5A,1.6A,2A ... Over voltage/Overheat/Short circuit protectionEnergy Star 2.0, Efficiency Level VEMC:EMI FCC CFR 47 Part 15, EN55022, EN61000-3EMS ... Operating: 20% - 85%; Storage: 10%-95% ( Non Condensing) Plug in type AC adapter 9V