Global Series Strobe Light, Ex d, U-Bracket Mount, 120VAC, 21J, Red - Available in 24VDC, 120VAC and 220-240VAC 50/60Hz. Optional 316 stainless steel ratchet adjustable mounting U-bracket (Field installation required). Non-metallic corrosion-resistant design. 24VDC models contain a supervisory diode and four wire terminal block. For use in alarm control panel applications. Dome guard included. M20 entries standard. Optional indicator rings are available in six colors: Black, Blue, Green, Magenta, Red and Yellow. Field customizable legend plates available. Type 4X, IP66 enclosure. IP69K compliant. UL and cUL Division Listed. UL and cUL Zone Listed (excludes Ex de Increased Safety models). ATEX and IECEx Rated. UL Fire Listed (Clear 24VDC, 21J Strobe and Sounder only).