LED stands for Light Emitting Diode, which is a semiconductor light source that emits light when current flows through it. Over the past  decade, they have skyrocketed in popularity and use, but what makes them so special? Well, LED lights are free of harsh chemiclas and do not emit UV rays, which-when overexposed-can lead to cancer. LED lights are also 100 percent recyclable, making them exceptional to use within various products.