Available in 4 colors: Amber, Blue, Clear, or Red. LED Strobes feature a longer life with less heat generated. Low maintenance. Operating life of over 50,000 hours (5.7 years). 20 LEDs mean that the unit functions even if individual LEDs burn out. Programmable for flashing strobe or rotating beacon mode. IP66 weatherproof rating for indoor or outdoor use. Can be used as emergency strobe or continuous-use warning indicator. Omni-directional—visible in all directions. 9-Volt backup battery option for continuous operation. Adjustable flashing speed with 6 Different flash patterns. SL-126LQ - Extra lens for SL-1301 series. Available in amber, blue, clear and red.