This is what I use as well. They work fantastically! When candling BCM this light allows you to watch the air cell for size and sometimes you can see movement. I use duct tape, taped to the light end of the flashlight to funnel the light and allows the egg to rest perfectly against it with out the accidental bump and crack of the hard flash light.
Edited by chicken pickin - 12/9/15 at 5:32pm