Shanglaite's professional beauty device PDT with adjustable modes offers a highly customizable treatment experience, catering to the diverse needs of users and different skin conditions. The adjustable modes primarily involve the ability to control light wavelength, intensity, and treatment time. Different wavelengths of light have specific therapeutic effects. For example, shorter wavelengths may be more effective for treating acne by targeting acne - causing bacteria, while longer wavelengths are better suited for skin rejuvenation and promoting collagen production. Users can select the appropriate wavelength based on their specific treatment goals. The intensity of the light can also be adjusted according to skin sensitivity and the severity of the condition. For users with more sensitive skin, a lower light intensity can be chosen to minimize the risk of irritation, while those with more resilient skin or more stubborn skin issues may opt for a higher intensity for more rapid results. Treatment time is another adjustable parameter. Shorter treatment times may be sufficient for mild skin concerns, while more complex conditions may require longer sessions. The device's intuitive interface allows users or professionals to easily adjust these modes, ensuring a personalized and effective PDT treatment every time.