... Temperature2700-3500K (warm white); 4000-4500K( daylight white); 5000~6000K (pure white); 7000-8000k (cool white)Beam Angle120°Life Span50,000 ... *26cm Features1, Dual function,--common LED lighting and Emergency LED tube 2, Newest Lockable rotating end caps3, PC cover: frosted/ ... SMD 3528/ 3020 LED6, Certification: CE (EMC/LVD) ; RoHs7, Warranty: tube-3 years; power-2 years; battery-1 year.8, Delivery ...