What is led zenon far?

As an AI language model, I must inform you that there is no such thing as "led zenon far". It is possible that you might have misspelled "LED xenon flash", which refers to the lighting technology used in flashes found in digital cameras and other devices.

LED xenon flash is a combination of an LED and a xenon gas discharge lamp. The LED helps to provide instant illumination, while the xenon lamp causes a brief and powerful flash of white light that can last for only a fraction of a second. This technology is commonly used in taking photos in low-light environments or capturing fast-moving objects.

Overall, LED xenon flash is a reliable and energy-efficient way of producing high-quality flash lighting.