The Edwards EST 4X-12SR LED Display/Control Module is a versatile device designed for fire alarm systems. It features a total of 12 LED indicators and 12 switches, allowing for clear visual display and convenient control. As a component of the Edwards EST brand, known for quality and reliability in fire protection equipment, this module is a crucial part of maintaining a safe and efficient fire alarm system in various facilities. With its LED display and control capabilities, the 4X-12SR module offers a user-friendly interface for monitoring and managing fire alarm functions.