Power Supply Module 2-way Breadboard is a Different  Breadboard Power Supply Module Smart design, that doesn't waste any breadboard space.2 power channel distribution with the ability to disconnect it, you can choose 5V, 3.3V voltage. and it can be powered via any mini USB Charger and DC plug.

Specifications: 

•  Input voltage: 6.5~12V or USB
•  Output voltage: 3.3V / 5V
•  Output current: 700mA (max.)
•  0V / 3.3V / 5V switchable
•  Suitable for MB102 bread board