RHIUIB SKU RHIUIB-251 Dome mount adapter, Ultra (indoor/outdoor) / Optima (indoor), indoor I-Beam Please log in to see price or purchase this item Request an account Line Comment Special Price Features: Compatibility: SpeedDome Ultra Series and IP SpeedDome Construction: Steel and Galvanized steel Dimensions: 6 m [max.] x 293 x 127 mm (20 ft [max.] x 12 x 5 in)