... hrs.4, Convenient to deliver. Ervan LED Tube sdopts special PC(Polycarbonate) plastic with soft light, it is unbreackable, shake-resist, ... friendly, no ultraviolet, no infrared ray radiation, no mercury.3, Long lifespan: >50,000hrs4, High brightness, adopts high quality LED chip with about 24mA ... of aforesaid terms.Tubes in refrigerators high lumen led light with Double side pc lens certified by TUV