Description: The watertight battery holder holds 3 AA batteries and has o-ring seals at both ends. It also has a universal mounting that can either strap to a pole (such as a bike frame) or screw to a flat surface. It has 2 pairs of power leads coming from the main body and two mating connectors as shown in the picture. There is a plug that seals one of the leads if you only plan on using one.
Batteries not included.
[Product pictures and description are courtesy of Sparkfun.com]