1.LED UV 405nm 3W Product parameter table:

2.LED 405nm 3W Specifications:
a.Emitting Colour: Ultra Violet
b.Reverse Voltage: 5.0 V
c.DC Forward Voltage: Typical: 3.0V Max: 3.4 V
d.DC Forward Current: 600mA
e.Luminous Intensity: 600-700mW
f.Wave Length: 405-410nm
g.Viewing Angle: 120 Degrees
hLead Soldering Temp: 2 60 ºC for 5 seconds
i.Intensely Bright.
3. LED 405nm 3W a solid-state lighting device provides high efficiency power output.