Features: 1)Working voltage: 90 to 264V AC 2)Main material: aluminum + PC 3)Light output (maximum): W: 2,005lm M: 1,660lm 4)Ambient temperature: -20 to 40 degrees Celsius 5)Power consumption: 23.9W (maximum 6)Diameter: 2.64cm 7)Length: 60cm/120cm/150cm 8)Can be directly placed in conventional T8 or T10 fluorescent brackets, remove ballast and starter before replacement! 9)High performance SMD LED: low light degradation, up to 75% lumen maintenance after 35,000 hours operating 10)Zanier Diode applied to avoid full set of LEDs defect 11)High power factor: 0.95. by cartons,customized gift is available