Panel-mounted light indicator for 8 mm diameter with quick-fit device. The self-locking lens, inserted from the front of the panel, fits into the body of the indicator positioned on the back of the panel, in correspondence with the drilling template (4 support points). The indicator is positioned parallel to the panel, in order to reduce the internal bulk. Solution adaptable to different applications: household appliances, HoReCa instrumentation, HVAC-R, lighting, industrial automation, electrical panels, mobility