Specification: Model: NPS605W Input Voltage: 220V/50Hz Power Plug: EU Plug Output power: 300W Output Voltage: 0-60V Output Current: 0-5A Weight: Approx. 1615g / 57.0oz Operation Environment : Input power supply: AC 230V / 115V ± 10%; 50Hz / 60Hz Working temperature: 0 ℃ ~ 40 ℃; relative humidity: < 80% RH Storage temperature: - 10 ℃ ~ 70 ℃; relative humidity: < 70% RH. Constant Voltage Operation: Voltage stability: 0.1% ± 3MV Load stability: 0.2% ± 3MV Ripple voltage: ≤ 0.5% Vp-p Continuously adjustable from 0 to rated voltage Constant Current Operation: Current stability: 0.1% ± 3mA Load stability: 0.2% ± 3mA Ripple current: ≤ 0.5% Vp-p Recovery time: ≤ 500 μ s Temperature coefficient: ≤ 100ppm / ℃ Package 1 * DC Power Supply 1 * testing cable 1 * power cord 1 * manual instruction.