MCH-303DB DC Power Supply: 1.0~30V/3A single output 2.4digit display to voltage 3.full scale ... Power Supply,MCH-303DB DC POWER SUPPLY,0-30V/0-3A continuously variable,Specifications: MODELMCH-303DBOUTPUT VOLTAGE0-30VOUTPUT CURRENT0-3AC.V ... Power Supply,MCH-303DB dc power supply,0-30V/0-3A single output