OSOYOO 5Pack/ lot MB-102 Breadboard 3.3V/5V Power Supply Module Solderless For Arduino Board DIY Kit Fit: Arduino Board Solderless Breadboard Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V Output voltage: 3.3V/5V can switch over, Maximum output current: less than 700 mA Input Voltage: 6.5-12V (DC) or USB power supply (with a male to male USB cable, not including the package) Size: 53*32 mm(max), Net weight: 11 g