ITEM NAME:1PCS Upgraded K2 MB102 Breadboard Power Supply Module 3.3V 5V For Solderless Descriptio n Description: 100% brand new and high quality. Fine workmanship and long service life. Concave design, no waste of space on the bread board. The 2-way distribution can have disconnection, and 5V and 3.3v voltages can be selected. It can be.Concave design, no waste of space on the bread board. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.