FSMIJM63AR04 is an illuminated tactile switch designed for surface mount applications with a rectangular actuator style. The switch features a 6x6mm form factor with 260 gram-force actuation, brass contact base material with silver plating, and integrated red LED illumination for visual feedback. It operates with an off-on function configuration and is not dust-proof, making it suitable for standard indoor electronic control applications. This switch is EU RoHS and ELV compliant, ensuring environmental and regulatory compliance. Common applications include user interface panels, control boards, and consumer electronics where tactile feedback and visual indication are required.