White 4W 3000K 250 lm 30,000 hrs A+ Rated LED Lamp IncludedSuperb energy efficient and long life alternative to standard fluorescent GX53 downlights.Requires 1 x 4W LED GX53 (included). Fitting is rated at 4W maxThis luminaire is compatible with bulbs of the energy classes: A+ to E and is sold with a bulb of the energy class: A+Polycarbonate constructionCrisp, bright illumination with instant startEven, shadow free, light distributionDedicated low energy light sourceOutput visually similar to 11W CFLiComplete with 2 metres of mains lead cableSurface mountedTechnical SpecificationLumens total flux: 250 lmLumens 120° flux: 205 lmRated Wattage: 4WRated luminous flux: 205 lmNominal life time of the lamp: 30,000 hrsColour temperature: 3000KNumber 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: 95°Rated power wattage: 4WRated lamp lifetime: 30,000 hrsLamp power factor: >0.4Lumen maintenance factor at end of nominal life: 70%Starting time: