Q16F1CXXR220 is a 16 mm panel mount LED indicator from the APEM Q16 series, designed for visual signaling applications. It features a plated brass bezel with chrome, black, or satin grey finish options and a moulded polycarbonate rear body. The indicator offers IP67 sealing capability, an M16x1.0 thread mounting, and operates within a temperature range of -30°C to +65°C for plastic body or -40°C to +85°C for epoxy body variants. With a life expectancy of 100,000 hours, viewing angle of 30–100°, and maximum reverse voltage of 5V, this LED indicator is suitable for industrial control panels, automotive dashboards, and equipment status indication where reliable visual feedback is required.