The Federal Signal LSL-024B Litestak Blue Stack Light Module operates at 24VDC and is designed to provide safety and visibility in various industrial and commercial applications. Manufactured by the reputable brand Federal Signal in the United States, this blue stack light module is a reliable solution for improving safety signs and traffic control within facilities. With its durable construction and high-quality design, the LSL-024B is a trusted choice for businesses looking to enhance their emergency response systems.