Housing:corrosionresistant cast aluminium; Reflector: High quality anodised aluminium; Mounting ring: plastic, white; Installation: recessed; Dimensions:Φ185×94mm; Ceiling cutouts:Φ175mm; Power:29W; Lamp(s):LED 857; Colour temperature:5700K; Colour rendering:RA80; Total luminous flux of luminaire:2666lm Beam angle:75°; Light distribution:Lambert; Glare control:UGR<19; Service life:30,000h at 70% luminous flux; Degree of protection:IP20; Class of protection II; Mains voltage:220-240V/50-60Hz; Two fixing clips provided for tool-free installation in ceilings of thickness 5-25 mm