1W 1.6W 3W 445/520nm Dual Lithium Blue Light Laser Driver Circuit 12V 3A,12-24V Buck Constant Current

Feature:
1. In order to ensure safety, it is recommended to use good-quality 2pcs of 3.7V lithium batteries (16340,18650,14500 and 18500 battery), do not use low-quality batteries, or you can use 12-24V direct power supply
2. This PCB board has no potentiometer to allow customers to adjust the current, it has fixed resistance
3. Pin definition: especially designed for 445nm driver board, you need to weld LD pins to the PCB as per our instruction

Package:
1 pcs Driver