Input voltages: 100 to 240V AC, 50/60Hz Range voltage: 90 to 130V AC, 47/63Hz Output power: 3W Output voltage: 3 to 12V Output current: 0.25 to 1A 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 temperature: -20 to 85°C Withstanding voltage: 3,000V AC (minimum) Between input and output: 10mA (maximum) Insulation resistance: 500V DC, 100mΩ (minimum) Efficiency: 70% (minimum) Dimensions (L x W x H): 48 x 47 x 16.2mm With UL, cUL, PSE and CCC marks