... to deliver. Ervan LED Tube sdopts special PC(Polycarbonate) plastic with soft light, it is unbreackable, shake-resist, and applicable ... mercury.3, Long lifespan: >50,000hrs4, High brightness, adopts high quality LED chip with about 24mA current.Very strict testing steps, and ... for final explantion of aforesaid terms.Tubes in refrigerators high lumen led light with Double side pc lens certified by TUV