Floodlights are lamps that specify that the illuminance on the illuminated surface is higher than the surrounding environment. Also known as spotlight. Generally, it can aim in any direction and has a structure that is not affected by weather conditions. It is mainly used in large-area operation sites, building outlines, stadiums, overpasses, monuments, parks and flower beds. Therefore, almost all large-area lighting fixtures used outdoors can be regarded as floodlights. The angle of the projecting light beam is wide or narrow, and the range of variation is between 0° and 180°. Among them, the narrow beam is called a searchlight.
