24 Volt DC Ceiling Mount Evacuation Horn/StrobeCondition:* New surplus stock, in OEM packaging. As pictured. Additional Notes:* Voltage 24 Volt DC* Input Terminals 12 to 18 Gauge* Color: Red Faceplate* Tamperproof Field Selectable Candela Options of 15, 30, 75, 95, 115 and 150* The GCC horn offers a continuous or synchable temporal three in 2400Hz and mechanical tones* Tamperproof Re-entrant Grill* Rugged Die Cast Metal Mounting Bracket* UL464, UL1971 and ULC S526* Universal Mounting on Single Gang, Double Gang or 4 Inch Square Box* Unit Dimensions: 6 Diameter x 2.6 Depth* Product Compliance: NFPA 72 Americans with Disabilities Act (ADA) IBC/IFC/IRC City & State ordinances/Laws/Regulations Quality Management System is certified to: ISO 9001:2008 Underwriters Laboratories Inc. per ANSI/UL 1971 Listed with the California State Fire Marshal (CSFM) and the Bureau of Standards and Appeals (NYC) FM Approved CSFM: 7125-0569:123 (GCS) MEA: 285-91-EGentex Corp.Commander 4GCC24CR