... lifespan,Low electricity consumption,Environment friendly,Wide applications,etc. 20w SMD T8 led tube light Product Features:1.Long lifespan, over 45,000 ... for 7 years.5.Safe, the light temperature is low6.High-frequency electric circuit, no noise.7.Environment friendly, no UV ... .Start-up time:Instantaneous(No Sparkling)13.The number of LED:20pcs14.Color Temperature: Warm White: 2600K~4300K , Pure White: ...