1)Power :0~30 V 2)Current : 0~ 3A or 0~ 5A 3)Dimensions :285x128x145 mm 4) ... stability, high effeciency,dual indication, for V and A,current limiting and shorting protection ... cooling holes at the sideOperating Temperature and humidityFrom 0 Celsius to 40 Celsius≤90Dimension350mm ×200mm ×210mmWeight5 ... have DC 5V Preset Output Function,D+ is LED Display ,DM+ is milliammeter digital display ,DF+ ...