... 7500k8.working life: lifespan is more than 50000 hours9.viewing effects: white, warm white,coold white,red,green,blue,color Trade ... even good appearance,good waterproof and dustproof effect.3.Each light is individually tested prior to being approved for sale. ... Application:Widely used for bed lighting,light boxes,shelf lighting,back lignting,exhibition stands and panels,display ...