Static
Sensitive Precautions should be taken with all LED's
WARNING:
For Eye Safety, do not stare into the light beam of these
LED devices at close range.
White LED's available in 5mm with a 20 or 40 degree viewing
angle also 3mm in 30 degree viewing angle. Both 5mm LED's
are the same in internally apart from having a different
lens, one speads light further than the other looking dimmer.
The narrow the lens is the brighter the concentration of
the spot. These LED's have proven to be very useful for
making caving head lights for cavers.