Adapter for installing motion and presence detectors in spots (for lamp size QR-CBC51- 51 mm and snap ring). Compatible with the detectors PD-C360i/8 mini, PD-C360i/12 mini, MD-C360i/8 mini and MD-C360i/12 mini. Technical data: Housing material PMMA, dimensions approx. outer diameter 51 mm, inner diameter 25 mm, height 3 mm, color opal-matt