This board is modify version multi voltage regulator supply , you can select voltage by 6 way selector switch to fix supply 1.5V, 3.5V, 5V, 6V, 9V and 12V at 3A.

Technical information:
- 12VAC input or 15V DC input
- 6 Range output voltage 1.5V, 3.5V, 5V, 6V, 9V, 12V at 3A.
- PCB size 6 cm x 5.6 cm
- Come with the schematic and instruction paper , how to install.