Looks like the one that overdrive the filament to produce 3200K colour temperature. Probably would last only 6 hours in normal circuit

(Google Translate:) Parece que el que sobrescribe el filamento para producir 3200K de temperatura de color. Probablemente duraría solo 6 horas en circuito normal

Hi . It looks like a normal gls lamp. only 6 hours last some fotoflood. but good if someone knows more of the subject that tells us. I would really appreciate it !!