CCT changeable LED Downlight Product Series: Downlight Brand Name: TengSeaKai Mounting: Concealed Mounted/recessed System Power: AC 85-265V 50/60Hz Input Voltage: 100-240VAC Power:30W 40W 50W 60W Luminous: 100-110 lm/W PF: >0.95 Operation Temperature: -40-50℃ Switch Type: Touch On / Off Switch Color Temperature: Warm White(2800-3300K) White(4000-4500K) Cold White(6000-6500K) Beam Angle: 90° Life Span: >50,000hrs Size: D190mm * H130mm Installation Hole: 170-180mm Material: Aluminum Net Weight:1000g