Tips:Due to it is 1 mode,and high Output Current,so the temperature  is hight,be careful

Red line means:"+",White line means:"-"

Specification:

Model:LK-01
Voltage: 3.7V ~ 18V
Current:More than 2A
Modes:1(High bright,Only ON/OFF Switch)
Diameter:16mm
Operating Temperature: -20~60 degree
Storage Temperature: -20~60 degree
RED/Led+:LED Output Positive
White/Led-:LED Output Negative

Packages:
1 x  1-MODE LED Driver