WARNINGFIRE is 20 years experience manufacturer of Warning Light, we supply various type and have CE,ISO, etc certificate Warning LightDetailed Product DescriptionFeatures:1) Working voltage: DC 12V, DC 24V, AC 110V, AC 220V2) Multi-level signal tower3) Highly efficient, dustproof, waterproof4) Applications: industrial safety equipment, maintenance of machine status5) Colors available: red, amber ...