1.It has a clear LCD user interface, excellent performance indicators, a variety of analysis functions and communication interfaces. 2.It aims to provide cost-effective DC programmable power supply equipment for teaching, scientific research,industry and other fields. Features 3.The 4.3 inch TFT display can display three channels and multiple parameters at the same time 4.Intelligent speed control of fan can effectively reduce fan noise during operation 5.List / delayer function to control voltage and current output as required