As needed, different illumination types and different light sources can be combined freely (5 optical components or 4 optical components plus 1 acoustic component at most)

Light source: LED, xenon light

Illumination type: normally ON, flash or sharp-flash, gradually brightening

Sounding type: intermittent, continuous

Buzzer volume: >100dB (at 10cm in horizontal direction from the sound source)

The light shades are made of heat and seismic resistant polycarbonate resin.