ITEM NAME:MB102 MB-102 Breadboard Power Supply Module 3.3V/5V For Solderless Bread Boa_ 1.Brand new and high quality. 2.Breadboard power supply module, compatible with 5 V, 3.3 V Apply to MB102 breadboard 3.Input voltage: 6.5-12 V (DC) or USB power supply 4.Output voltage: 3.3V/5V can switch over 5.Maximum output current: