Housing: Aluminium Alloy; Mounting ring: white Installation: recessed; Dimensions: 59*Φ88; Ceiling cutouts: φ75; Power: 15W; Efficacy：90Lm/w Colour temperature: 5700K; Colour rendering: Ra90; Total luminous flux of luminaire: 1350Lm Beam angle: 70°; Glare control: UGR<19; Service life: 50,000h at 70% luminous flux; Degree of protection: IP20,IP44 for exposed part; Class of protection III; Mains voltage: 220-240V/50-60Hz; Remark: BLE driver/ DALI driver/ 0-10V driver