Metal and glass. Opal diffuser. Features: Dimmer Compatible; Contemporary Design; Max. 20W; IP44; Zones 1 & 2; W x H: 88 x 202; Model No: HA-BLL911. Specifications: 12V. Transformer required. Cut out dia: W x H: 142 x 62mm. Recess depth: 25mm. 1 x G4