USPRO&reg; 3.3V 5V Power Supply Module Solderless For MB102 Bread board For MB102 bread board, two way independent control, can be switched to 0V, 3.3V, 5V. Breadboard Power Supply Module Fit for MB102 Breadboard Input Voltage : DC 6.5-12V;Output Voltage : DC 3.3V 5V On-board Two sets of 3.3V, 5V DC output pins, facilitate the external leads. Material : Plastic, Electronic Part;Net Weight : 13g