Specification:

Input Voltage: 3.7V ~ 18V
Output Current: More than 2A 
Modes:1(High,ON/OFF)
Diameter:17mm
Used for LED:10W etc
Application: Great for flashlight DIY.
Material: electronic components

Package Included:

1x 1-Mode Flashlight Driver Circuit Board for 10W LED BULB

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On Feb 7, 2025 at 07:46:19 PST, seller added the following information: