For MB102 bread board, two way independent control, can be switched to 0V, 3.3V, 5V.
Breadboard Power Supply Module Fits standard MB102 Breadboard
Input Voltage : DC 6.5-9V;Output Voltage : DC 3.3V 5V; Input. Do not exceed 500mA
On-board Two sets of 3.3V, 5V DC output header pins, useful to feed power off the breadboard.