... SMD3021 LED chip, high brightness and low attenuation4. High cost-effective, good heat-dissipation, stable and weatherproof.5. CE,ROHS certificate, 3 years warrantyApplicationsT5 LED tube lights is ... station, bus and train, etc. Seamless T5 LED tube lights series:4W T5 LED tube lights: 360lm, 75Ra, 2800-6500K7W T5 LED tube lights: 630lm, 75Ra, 2800-6500K10W T5 LED tube lights: 900lm ...