White 18W 3000K (1900 lm) / 4000K (1970 lm) / 6000K (1900 lm) 40,000 hrs IP44 (front)This range is ideal for many applications, with high lumen efficiency for enhanced energy saving and colour temperature selection allowing the desired lighting effect to be chosen on installation.Colour temperature selectable – options of 3000K, 4000K & 6000K easily set by a dip switch on the back of the fittingFlame retardant aluminium housing with polycarbonate diffuser, includes spring clips to fix within the ceilingMultiple LED low power array: even, shadow free diffused light outputZero maintenance, integral light source providing instant light outputIP44 from the frontFlicker free operationSlim profile design to allow installations with narrow ceiling voidsUnobtrusive design with neutral white trimHole cut out size: 220mmHigh CRI rating of >80, minimising colour distortionIES files available for lighting designsTechnical SpecificationLuminaire lumens (with diffuser): Warm White, Cool White, Daylight White1900 lm (3000K) / 1970 lm (4000K) / 1900 lm (6000K)Lumens from chip (array): Warm White, Cool White, Daylight White2100 lm (3000K) / 2220 lm (4000K) / 2150 lm (6000K)Useful lumens (array): Warm White, Cool White, Daylight White1700 lm (3000K) / 1780 lm (4000K) / 1720 lm (6000K)Rated Wattage: 18WRated luminous flux: 1700 lm (3000K) / 1780 lm (4000K) / 1720 lm (6000K)Nominal life time of the lamp: 40,000 hrsColour temperature: 3000/4000/6000KNumber of switching cycles before premature lamp failure: 15,000Warm-up time up to 60 % of the full light output: Instant full lightIs this product dimmer compatible?: NoNominal beam angle: 120°Rated power wattage: 18WRated lamp lifetime: 40,000 hrsDisplacement factor: 0.977Lumen maintenance factor at end of nominal life: ≥80Starting time: Instant full lightColour rendering: ≥80 RaColour consistency: Within a 6 step Macadam ellipseRated peak intensity: 594/600/588cdRated beam angle: 120°Voltage / Frequency: 240V~50-60HzLumens per watt: 105 / 109 / 105 lm / WNot suitable for accent lightingTechnical Specification:Colour Temperature: 3000/4000/6000K Colour: White Wattage: 18W IP Rating: IP44Dimensions: Length: 240mm x Height: 240mmWeight: 240Kg