17mm 2800mA 5 Mode Regulated LED Driver Circuit

- Color: Green + golden
- Material: PCB
- Built-in 8 7135IC
- Current: 2800mA
- Voltage: DC 3~4.5V
- Mode: 5% > 30% > 100% > Fast strobe > SOS
- Diameter: 17mm
- Thickness: 1.2mm
- With reverse connection protection and low alarm functions
- Great for DIY project or repair your flashlight