●Breadboard dedicated power module, compatible with 5V, 3.3V. ●Suitable for MB102 breadboard, input voltage: 6.5-12V (DC) or USB power supply, output voltage: 3.3V, 5V can be switched. ●Large output current: <700 ma. ●Up and down two independent control, can be switched to 0V, 3.3V, 5V. ●Onboard two sets of 3.3 V, 5 V DC output pins.