Point +

extraordinary power of 4000 lumens
great contrast of 3000:1
size (small for a 4000 lumens)
mir couple of settings for two (or more) of the same aircraft
price

point -

adjustable height (the projector)
leg raises to overcome, not towards a

we do not paeut to memory (internal unit al) are personal logo to make it appear muted video

you can only record personal logo are in memory (internal al unit) that it appears in home page (it appears only 4 seconds and the lamp is not even hot n so no interest !!!!!!!!!!! !)
to conclude I do not regret my purchase and I plans to buy another in order to reach a 6000 lumens and 4500:1 has a price "derisory" (compared to others)
I can have less than the sites and nine

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