The Arri HMI PAR 4 / 2.5 Kw belongs to the Arrisun family. This head is prepared for lamps of two intensities: 4 Kw PAR and 2.5 Kw PAR. It is used with a set of 5 lenses to control the light beam and it has a dimmable flicker free ballast up to 50% intensity. It includes Arri lens set.