Description: Fit for : Arduino Board Solderless Breadboard. Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V. On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use. Package: 1x MB-102 830 Point Breadboard, 1x Power Module, 65 x Jumper Wires (Male to Male). Package Includes: 1 Peice MB-102 830 Point Breadboard. 1 Peice Power Module. 65 Peice Jumper Wires