... Tube 1,High Bright, 2,Long Lifetime More than 50000hs, 3,Low Dissipation, No Flashing,No Noise,3-Year ... ,no UV or IR radiation,no mercury.4,High intensity,low heat.5,No flickering,free from glare. ... material:PC , PCB and aluminum housing.9,low brightness degradation.10,long lifespan:up to 50000 ... types optional) LED quantity: 276PCS 3528 LED Specifications: High Brightness SMD/3528; 3.0-3.4V, 20mA Single ...