CHENBO(TM) 2PCS MB102 Breadboard Power Supply Module 3.3V 5V Solderless Bread Board Breadboard power supply module, compatible with 5 V, 3.3 V Output Voltage: ~3.3V/~5V; Input Voltage: 6.5-12V (DC) or USB power supply. Maximum output current: less than 700 mA 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