A 9x1W White Deep Recessed Downlight Body colour: Stainless Steel Diffuser: None Colour temperature: 3000K/4000K/5000K Lumen Output : 990 lm Dia: 100 mm Cutout: 85 mm Height: 40 mm Accessories: Included 2 years warranty.Operational Voltage: 230V Frequency: 50Hz Dimming Options: DALI / TRIAC/ (0-10) CRI: >80 Line & Load Regulation: +5% or -5% THD (Driver) : < 20 % at all line conditions