50W COB LED DownLightModel：BS-DL50WSS-SFPower：50WSize：D230*H140mmLumen：> 6100lmViewing angle： 60°  50W COB LED Downlight Sunflower Series,Website: , COB LED Downlight Kits, 50W LED Retrofit Downlight Kits Main Parameters：Frame Size: D230*H140mmCut Out: 200mmDimmable : Yes/NoLamp Power: 50WDriver Brand: Lifud(LED Friend)Input Voltage: AC180-277VPower Factor: >0.9Power Efficiency: 85%Lamp Luminous Efficiency: 95 lm/wBeam Angle: 60°Color Temperature: 2700K~6500KCRI>82Working Temperature: -25℃~+65℃Lifetime: 50.000hrs          Surface color : High brightness white, Silver, black, gloden Sunflower LED Downlight advantage：★High effects energy-saving.★Long lifespan up to 30,000hrs~50,000hrs.★Environment friend, no UV and radiation inside.★Green material without mercury, easy for recycle.★DC drive without flicker, excellent for reading ,family, office★Compared with halogen lamp,5W downlight LED generate low heat ,high effects up to 90% energy forlighting. Service：--Your inquiry related to our products or prices will be replied within 12 hours.--We offer OEM services. Can print your own logo on product, customized box packing and others.--Protection of your sales area, ideas of design and all your private information.--Delivery Time: 2-4Working days for sample.8-15 Working days for big order.--We have very experienced R&D engineers.--Continually innovation, honest business, and first-class service is our philosophy.