For Siros and Siros S Monolights_300W/120V_300W Modeling Light_This 300W, 120V Halogen Modeling Light from Broncolor is for Siros and Siros S monolight strobes._Specifications Weight: 0.2lb / 0.09kg Product Height (in): 1.67 Product Length (in): 4.72 Product Width (in): 1.67 Product Height (cm): 4.25 Product Length (cm): 12 Product Width (cm): 4.25 Read More