Light on sky2 ships circle white relativ stationar , move up to down to avoid another ship that move with speed , that have 3 colours pulsatile to motors -green , yelow and red-that ship stop to avoid first 2 bypasses. First 2 ships stay up 2 hours in to sky .Another ship white move whit flash light in pulsatile mode, slow pulse -move slowly, flash fast -move fastliniar, again flash slowly move slowly. Excuse-me for english, more detail in romanian if is necesary. I have 1 short video to phone, but my phone in not no so good.