Check out the first test video of the rear lights of my FPV-quadcopter..(build is not finished yet)

 

 

https://www.youtube.com/watch?v=Fp5zM7qLV4Q

 

 

Bright enough?   ;-)

 

these are waterproof Led strips made for aquaristics. 9 smd LEDS @12V

I've got an even brigther strip in white for the front....