Housing: Aluminum; Mounting ring: white; Installation: recessed; Dimensions: Φ225×64mm; Ceiling cutouts: Φ200mm; Beam angle: 100°; Lamp(s): LED; Power: 40W; Efficacy：100Lm/w; Total luminous flux of luminaire: 4000lm; Power Factor: 0.9; Mains voltage: 220-240V/50-60Hz; Colour temperature: 4000K; Colour rendering: Ra80; UGR: / IP/IK Grade: IP20; Class of protection II; Control System: on/off; Service life: 30,000h at 70% luminous flux;