... SourceEpistarLED luminous efficiency90-95lm/WLED luminous flux3213lmLuminaire efficiency>85%Illumination uniformity>0.92Correlated Color Temperature2700K-7000KCRIRa≥80Beam ... effectively high centralized heat source,extending the lifespan3. Do replacement: LED 9W, 12W, 18W, 25W, 35 can replace 27W, 36W ... 5. High quality driver, safe, stable, reliable, drive voltage is in 85V ~ 260V, can meet around the ...