9W LED downlight Parameters: ItemParameterLuminaire Efficiency≥85%Color Index≥80Color TemperatureWhite:4500K±250K Warm white:3000K±250KWorking Temperature-20°C—60°CStorage Temperature-40°C—85°CApplicable Humidity0-90%Life Span30000 hrsIngress PotectionIP52Working Voltage85V 265V ACDimension(mm)φ166*122Tapping Dimension(mm)φ155Power Factor≥0.9Power Efficiency87%Working Frequency50-60Hz Dimension:φ166*122mm