... 3W,5W,7W,9W available KMS introduces popular energy-saving LED BULB for you:Products characteristic: 1. Use 44 high brightness , ... , long life, high load efficiency, and working stability. With open circuit, short circuit, over current and over voltage protection function ... 15000hours, is several times longer than incandescent lamp. 6. LED cold light source, less calorific value, not hot effect reaction ...