Features: Brand new & high quality Breadboard power supply module, compatible with 5 V, 3.3 V Apply to MB102 breadboard Input voltage: 6.5-12 V (DC) or USB power supply Color: black Material: PCB+ electronic components Output voltage: 3.3V/5V can switch over Maximum output current: Less than 700 ma Fluctuation two road 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. notice: this item only a Power Supply Module, Breadboard is not included Package Contents: 1 module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.