808nm 100-500mw laser diode driver reverse protection

1.Constant current Stable voltage IC circuit, laser diode can be better protected without being damaged

2.Constant current output , Can be adjusted（0~580mA）.

3.DC supply voltage input 3.0~4.2V.

4.Suitable for 808nm 100mw~500mW laser diode,also be used in laser pointer or flashlight.

5. Power Supply: Li battery such as 16430,18650,14500 and 18500 .

6.Size:10.8mmx18mm(WxL)