Input voltage: 3-4.5v
Output current: 1400MA
Suitable for: Single core LED flashlight(white/red/green/purple light)
Mode D:Low(5%)-Mid(30%)-High(100%)-Fast trobe-SOS
It has automatic shutdown protection and reverse connection protection.
Power supply for single lithium or 3AA, input voltage higher than output
voltage between 0.2V and 1v,this section can be efficient and constant flow.
Recommended to choose 3.3V or less led ,The brightness are more wonderful.
1x circuit board