The 4AA Propolymer LUX is a high performance, 4 AA Alkaline powered, C4 LED flashlight. It features momentary or constant on operation. The body is constructed of a engineering polymer resin that is virtually indestructible, shock resistant, non-conductive and light weight. The case is O-ring sealed and water proof. Models available with Division 1/MSHA, Division 2 or ATEX Zone 1 approvals.