... and ShadeAL Alloy+Lens17Net Weight43g18IP Level IP50Why use led 1.Unlike traditional light sources LED’ ... 50,000 hours; that means that under normal use an LED bulb will not need replacing for 12 ... This means that the electricity cost to run an LED bulb is much lower than standard incandescent ... sources, such as fluorescent lamps, require the use of harmful chemicals. Fluorescent lights contain mercury, ...