12w T8 led tube light Luminous Flux:1000 power:12w material:aluminum heat sink body + PC cover 12w T8 led tube lightDiameter:26mmColor: White/warm whiteWorking Voltage: AC110 ... to normal fluoresentNo flash, no noise, less heatNo light delay when swith on/offLow light decay, less than 1% after 1000 hours ... lifespan up to 50,000 -80,000h, while conventional fluorescent tube is 6,000-8,000h Installation