Yescom 110V Input 30V 5A Output Precision Variable Digital DC Power Supply with Alligator Test Lead Set DC Power supply, compact structural design, all metal construction Adjustable outputs: 0-30V and 0-5A Variable controls for both current and voltage outputs PWM switching voltage stabilizer, MOS linear adjustment mode Perfect protection function: over voltage protection (OVP), over current protection (OCP), over temperature protection (OTP) Use for product testing aging, battery industry, inverter, LED manufacturing industry, and other all need dc regulated power supply