ITEM NAME:Breadboard 3.3V/5V Power Supply Module 3.3V/5V For Arduino Board R3U8 Breadboard 3.3V/5V Power Supply Module 3.3V/5V For Arduino Board R3U8 Brand new and high quality Colour:Black Ranking MB102 Breadboard power supply module,compatible with 5 V,3.3 V Apply to MB102 breadboard Input voltage:6.5-12 V (DC) or USB power supply Output voltage:3.3V/5V can switch over Maximum output current: