... CE ROSH 3w led light bulbs E27 The Advantage of LED bulb lamp 1, High brightness compare with tranditional incandescent lamp 2, Save ... theory.4, low power comsumption, just 1/10 power of incandescent lamp.5,solid state packaging, easy for transport and install ... element, without any pollution9,low heating, and more safety than incandescent lamp.10,Wide woking voltage, its's could woking at ...