Flexzion DC Power Supply 30V 2A - Adjustable Variable 110V Regulated Switching Circuit Precision Digital Display Liner Single-Output Connectors AC Cable Lab Grade Scientific Compact design; All metal construction; Dual LED display Current mA / A conversion display; High stabilized output voltage Short circuit protection; Over loading and current protection Precise voltage and current setting; Precise current measurement Constant voltage and constant current operation mode (C.C and C.V. automatic conversion)