Parameters:
- Input voltage: 6.5-12 V (DC) or USB power supply 
- Output voltage: 3.3V/5V can switch over 
- Maximum output current: <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.