... After 3,000HLife-span50,000HCertificateCE&ROHSEvery Bag20pcsWarranty 3 years Advantages of 5050 led modules brightness higher, so by the ... -thin light boxes, advertising signs, such as use of backlighting. With high efficiency and energy saving, environmental protection ... 50,000hours+ (5years+), white LED, 50,000hours Applications of 5050 led modules: 1. Channel letter backlighting 2. Advertisement ...