... 450-550lm Seamount LED Lighting mainly produce LED tube light, LED track lamp, LED down lamp, LED pendant lamp, LED spot lamp and other LED lamp, etc. Our main ... NW4000K/ CW5000K4. Lumen: 450lm-550lm5. COB light source design, more brighter 6. free of mercury and hazardous materialsApplication ... usage within warranty period, Seamount LED lighting will provide free/rework new products based on the proof ...