Q16P1CXXY12E is a 16 mm panel mount LED indicator from the APEM Q16 series, designed for reliable visual signaling in various applications. It features an M16x1.0 mounting thread and offers IP67 sealing option for protection against dust and water ingress. The indicator is constructed with a plated brass bezel and moulded polycarbonate rear body, with operating temperature range from -30°C to +65°C for plastic body or -40°C to +85°C for epoxy body versions. With a life expectancy of 100,000 hours, maximum reverse voltage of 5 V, and viewing angle of 30–100°, this LED indicator is suitable for control panels, machinery, and equipment requiring durable status indication.