1The product improves the shortcomings of the traditional linear power supply, which is bulky and inefficient, and has a high safety factor. 2NPS-W series is a three-window display micro DC power supply, which can display voltage, current and power at the same time. 3The output voltage and current of the product can be controlled and adjusted by coarse and fine adjustment potentiometers respectively. 4The product provides more convenience and accuracy for the adjustment of voltage and current. 5The power supply is featured with high quality material, good performance and sturdy appearance.Item Type:DC stabilized power supplyModel: NPS605W 3digits Input Voltage: AC 230V/115V10%: 50Hz/60Hz Working Temperature: 0~40 Relative Humidity: Ripple Voltage: Vpp89%.The Header Shows: 0.4 inch red three digital display Display Resolution: 0.1V/0.01A. Display Accuracy: 0.5%3 digits Larger input voltage range in 230V10% 50Hz (Can be customized to 115V 10% 60Hz)1 x DC Stabilized Power Supply1 xCrocodileClip Test Line1 x Power Line1 x User Manual