... purity,ultra-high brightness,high color-rendering index,i LED tube,lighting full,soft,spectral purity,ultra-high brightness, ... under frequent turing on and off. Enviromenment friendlyUsing new LED light source,no mercury,lead and other hazardous substance,no ... pollution to environment.It will not produce ultraviolet and infrared and other rays,causingverylowheat, no attraction to mosquitoes,very ...