Lighting unit, ceiling recessed mounting (indoor use) from Delta Light, named RODI M 50 S1. Finished in the colour : alu grey. For recessed mounting, a round opening with a diameter of 146 mm is needed and a min. depth for recessing of 120 mm. The unit is suited for halogen low-voltage : 1 x QR-C51 max.50W (transformer not included).