Zitrades MB102 Breadboard Power Supply Module 3.3V/5V For Arduino Board Solderless Breadboard 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 6.5-9V;Output Voltage : DC 3.3V 5V; Input do not exceed 500mA On-board Two sets of 3.3V, 5V DC output pins, facilitate the external leads. Material : Plastic, Electronic Part;Net Weight : 13g