Input voltage/frequency: 100 to 240V AC, 50/60Hz Range voltage/frequency: 90 to 264V AC, 47/63Hz Output power: 12W Output voltages: 3 to 18V Output currents: 0.5 to 2A Over-current protection: 120% (minimum) Over-voltage protection: 150% (minimum) Short-circuit protection: automatic recovery Loading regulation: ±5% Operating temperatures: 0 to 40°C Operating relative humidity: 5 to 95% RH Storage temperatures: -20 to 85°C Withstanding voltage: 3,000V AC/minute Between input and output: 10mA (maximum) Insulation resistance: 500V DC, 100mΩ (minimum) Efficiency: 70% (minimum) Dimensions (L x W x H): 60 x 60 x 28mm With PSE, CCC, UL and cUL approvals