Electraray Supervised Hazardous Location Strobe Light, 24VDC, Amber - Four wires and supervisory diode. Integrated in-rush limiting circuit. Five lens colors: Amber, Blue, Clear, Magenta and Red. 10,000 hour, high-intensity strobe tube. 1/2-inch NPT pipe mount. Aluminum base with black polyurethane coating for superior corrosion resistance. Conformal coated PCB. Type 4X, IP66 enclosure. IP69K compliant. CSFM Approved. CSA Certified. UL and cUL Listed for Class I, Division 2, Groups A, B, C and D & Class II, Division 2, Groups F and G & Class III.