Feature: The product is controlled by intelligent MCU chip with high precision and high intelligence. The stability and ripple coefficient of the power supply are very good, and the protection circuit is perfect. The product adopts temperature-controlled fan for heat dissipation, which has good heat dissipation effect, low noise and long service life. The product adopts high-quality electronic components with sufficient power and high efficiency. The product has the function of stabilizing current and stabilizing voltage. It is suitable for places where there is demand for stabilizing current and stabilizing voltage, such as maintenance of electrical equipment, laboratory, production line, etc. Specification: Model: KPS305D Type: EU Plug Input voltage: AC 220V/110V ± 10%; 50Hz / 60Hz. Output regulation value: 0~30V continuously adjustable Output constant current value: 0~5A continuously adjustable (Automatic jump when the current display is greater than 9.99A) Ripple voltage: Vpp ≤ 1% Machine efficiency: ≥89% Digital display: three LED digital tube display Display resolution: 0.1V / 0.01A Display accuracy: ±1%+2digits Working temperature: (-10 ~ 45) °C Storage temperature: (-20 ~ 60) °C Relative humidity: 90% (40 ± 5 ° C) Weight: 1650g / 3.6lb Package list: 1 * DC power supply 1 * Power wire 1 * Output line 1 * User manual Note: Please kindly make a note if you need any plug adapter. The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.