The Hydro-Photon ADO-RP UV pen includes the following:
The SteriPEN Adventurer Opti Water Disinfection UV Pen includes an optical eye to sense and purify water. The optical sensor of the Adventurer SteriPEN can be used as a handy LED flashlight, which is especially useful for camping or outdoor activity, while also providing clean and safe drinking water. This emergency UV light has a UV lamp life of 8,000 treatments.
SteriPEN Adventurer Opti Water Disinfection UV Pen specifications: