Floodlights are not spotlights, projection lights, or spotlights. Floodlights produce highly diffuse, non-directional light instead of clear beams, so the shadows produced are soft and transparent. When used for object lighting, the rate of light reduction is much slower than when using spotlights. There are even some floodlights with very slow decay that look like a light source that does not produce shadows. The spotlight projects a directional, well-defined beam to illuminate a specific area.
General incandescent lamps, fluorescent lamps, energy-saving lamps, and other gas discharge lamps have filaments or electrodes, and the sputtering effect of filaments or electrodes is an inevitable component that limits the service life of the lamp. The high-frequency electrodeless discharge lamp requires no or less maintenance and has high reliability. The service life is up to 60,000 hours (calculated by 10 hours per day, the service life can reach more than 10 years). Compared with other lamps: 60 times of incandescent lamps; 12 times of energy-saving lamps; 12 times of fluorescent lamps; 20 times of high-pressure mercury lamps; the long life of floodlights greatly reduces maintenance troubles and replacement times , Saving material costs and labor costs, and can ensure long-term normal use. Because the floodlight has no electrodes, it emits light by combining the principle of electromagnetic induction and the principle of fluorescent discharge, so it does not have inevitable components that limit its life. The service life is only determined by the quality level of the electronic components, circuit design and the manufacturing process of the foam body. Generally, the service life can reach 60,000 to 100,000 hours.
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