These are *very* bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of the intensity. All lenses are clear.
* Standard size – T1 3/4 5mm
* 4,000mcd brightness
* 3.4V forward drop
* Max current 20mA
* [LED Tutorial](https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds)