A good basic lamp or spare lamp, fits into a small space
It seems good, but it has not been tested in diving use yet.
The best value spare light you can find
Easy-to-use spare light. Douple enders not included.
A good little spare light.
A good and efficient diving lamp as a backup light. It is so bright that it almost goes as the number one light. The only downside is that there is not much burning time.