Housing: AL; Mounting ring: white Installation: Recessed mounted; Dimensions: 58*Φ165mm; Ceiling cutouts: φ140-150mm Power:11W; Efficacy：109Lm/w Colour temperature: 4000K; Colour rendering: RA80 Total luminous flux of luminaire: 1200Lm Beam angle: 70°; Glare control: UGR22 Service life: 60,000h at 70% luminous flux Degree of protection: IP20, IP44 for exposed part; Class of protection II; Mains voltage: 220-240V/50-60Hz; Remark：also can offer DALI control and Bluetooth