PARAMETER --- input voltage range DC 5V-32V; output voltage range DC 5V-47V; max output current 3A. DISPLAY --- LED displays input/output voltage by touching sensor switch. ADJUSTABLE OUTPUT --- output voltage can be adjusted by voltage knob. ON/OFF SWITCHABLE OUTPUT --- output voltage can be turned on/off by touching sensor switch, when the output is off, the screen will display OFF. PROTECTION --- input reverse connection protection; short circuit protection. At the same time, the voltage board is also equipped with an acrylic case kit for easy to use. Material:Plastic + Acrylic colour:As shown Package Contents: 1 x ATX Power Supply Breakout Board 4 x Male Banana Plug 1 x Screwdriver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.