1)Power :0~30 V 2)Current : 0~ 3A or 0~ 5A 3)Dimensions :285x128x145 mm 4)Made in ... , high effeciency,dual indication, for V and A,current limiting and shorting protection PS-303D+ AC to DC ... , high effeciency,dual indication, for V and A,current limiting and shorting protection Minimum Order Quantity:20 Set/ ... it you can press, if you want a half current, press down the button.Power supply inputThere is ...