|The newest addition to our Black Knight® Series is the M8 Alkaline 3C. The M8 Alkaline 3C is water resistant and made of a lightweight Xenoy® wwith an unbreakable hi-temperature polycarbonate lens. The M8 Alkaline 3C is equipped with a 2-way button safety tray. Safety approvals include FM, UL and CE EX. NON-SUBMERSIBLE.