Rockwell Automation 855BS-S24ML345 Standard Strobe Beacon, 24 VAC/VDC, LED Lamp, Amber/Green/Red, Surface Mounting, Specifications Met: UL 508, EN/IEC 60947-1, EN/IEC 60947-5-1, CSA C22.2 No 14, cULus E14840 Guide NKCR/NKCR7, CE Certified