I have some little LED lights I bought for my Phantom 2 Vision. They are really light and bright, and got them from Amazon for only $1.29 a piece. When it's in the sky even really far away you can really see your quad blinking brightly, it's pretty sweet looking. Here ya go!
http://www.youtube.com/watch?v=4mzi6qD6264
http://www.youtube.com/watch?v=gp-6pwr8Qzs
And here's what they are:
http://www.amazon.com/gp/product/B0084B ... UTF8&psc=1
http://www.youtube.com/watch?v=4mzi6qD6264
http://www.youtube.com/watch?v=gp-6pwr8Qzs
And here's what they are:
http://www.amazon.com/gp/product/B0084B ... UTF8&psc=1