ITEM NAME:DIY Kit SYB-500 PCB Solderless Combination Breadboard + MB102 Power Module RJV Descriptio n Description: Breadboard dedicated power module, compatible with 5V, 3.3V, suitable for MB102 breadboard Input voltage: 6.5-12V (DC) or USB.Breadboard dedicated power module, compatible with 5V, 3.3V, suitable for MB102 breadboard. Material: PCB. The module input is 6.5V-12V. SYB-500 Kit 1. We want to make sure you are happy with our item.