Housing:corrosionresistant cast aluminium; Reflector: High reflective material; Mounting ring: plastic, white; Installation: recessed; Dimensions:Φ220×116mm; Ceiling cutouts:Φ210mm; Power:42W; Lamp(s):LED 857; Colour temperature:5700K; Colour rendering:RA80; Total luminous flux of luminaire:3788lm; Beam angle:80°; Light distribution:Lambert; Service life:30,000h at 70% luminous flux; Degree of protection:IP20; Class of protection II; Mains voltage:220-240V/50-60Hz; Three fixing clips provided for tool-free installation in ceilings of thickness 5-25 mm