Q16P1BXXR220E is a 16 mm panel mount LED indicator from the APEM Q16 series, designed for visual signaling applications. It features an M16x1.0 threaded mounting with a maximum panel thickness of 11 mm and offers IP67 sealing option for protection against dust and water ingress. The indicator utilizes a 10 mm colored diffused epoxy lens or water clear super bright LEDs with a viewing angle of 30–100° depending on the model. Constructed with a plated brass bezel and moulded polycarbonate rear body, it operates within a temperature range of -30°C to +65°C (rear plastic body) or -40°C to +85°C (rear epoxy body). Common applications include control panels, industrial equipment, and automotive dashboards where reliable visual indication is required.