From: MC e

then

Maybe you night flyers may be interested in something like this to throw
into the emergency kit:

5 inches overall, doesn't give the weight. Handcrank 2 minutes charges it

Go to WalMart and buy a RayOVac head band light--uses 3 AAA cells has
blue/white LED (lasts for hours) a Red LED ( also will run for hours) and a
big ole white spot light function goes about 3 hours. About $15.00 Mac