The working principle of floodlights is mainly based on the process of converting electrical energy into light energy. Specifically, electrical energy is supplied to the bulb through the power supply, and the filament (usually a tungsten filament) inside the bulb heats up and emits light under the action of the electric current. The color and brightness of the light emitted by the filament depends on its material and temperature. Since the bulb generates a lot of heat during operation, floodlights usually need to be designed for heat dissipation in order to ensure the normal operation and prolong the service life of the bulb. In addition, floodlights are equipped with a control system for adjusting the lamp's brightness, color, light angle and other parameters to meet the lighting needs of different scenes.

Projection lamp is a lamp that designates the illumination on the illuminated surface to be higher than the surrounding environment. It is capable of aiming in any direction and has a structure that is not affected by weather conditions. The angle of the projected beam of a floodlight varies widely from 0° to 180°, and those with a particularly narrow beam are called searchlights. Floodlights, when projected from a height, provide a significant increase in the spatial brightness of the environment, with a large light coverage that gives a daytime-like appearance, and therefore a high quality of illumination and visual effect.

Projection lamp is through the optical principle of the image or light projected onto the wall, ceiling or other flat surface of a lamp. Compared with traditional lighting equipment, the biggest feature of the projection lamp is that it can create a rich variety of visual effects, from simple patterns to complex dynamic scenes, and even interactive light and shadow experience, all show its unique charm as a “light and shadow magician”.

Projection lamp as a set of lighting, decoration and entertainment in one of the modern technology products, is quietly changing our living space and visual experience. It is not only a beam of light, but also a bridge connecting reality and fantasy, allowing ordinary spaces to instantly glow with extraordinary charm.