DirtFarmer wrote:
It would certainly be nice to have something like that, but..............
How does it project dark areas on your arm?
How well can you see it in full sunlight?
How well can you see it if you're wearing a patterned shirt? Or a heavy coat?
How long does the battery last and how do you recharge it?
What's the cost and delivery time?
I guess we will have to wait and see if this thing ever really gets developed to answer your questions.