Para 3R45U518/09/2017Bought these to strap onto my quadcopter for night flying.
Very cheap and incredibly bright.
When plugged in, to the naked eye the LEDs look like Terminator eyes, glowing in a faint, evil red.
When using an IR sensitive cam, the entire field I fly lights up like its under a floodlight, easily surpassing 50meters of range.
The electric board needed additional holes, as the pre drilled holes do not fit on a standard 30.5x30.5 stack that is used in todays quadcopters.
The board is needed, even when
Para louisvr4528/07/2018this ir leds is so powerfull you can do quad copter racing up to 20 to 30 m high. especially if the gates got reflected tape on.