- Over 57,000 hours (6.5 years) of continuous use will maintain a minimum of 70 light output- Four programmable flash patterns: - Single Flash - Double Flash - Quad flash - Flicker Flash- 6 programmable beacon and strobe brightness settings- Immune to shock and vibration- Low current draw- Shatter resistant polycarbonate lens- SL-2-EWP is designed to meet IP66 ingress Protection Rating (see DOD# 859 for more information)