20w led tube light Luminous Flux:2000 power:20w material:aluminum heat sink body + PC cover 20w led tube lightModel No:Sims03-T10-15wProduct Name: 20w T10 LED tube,150cmDiameter:30mmColor ... normal fluoresentNo flash, no noise, less heatNo light delay when swith on/offLow light decay, less than 1% after 1000 hours ... up to 50,000 -80,000h, while conventional fluorescent tube is 6,000-8,000h Installation