PRO by Déesse PRO Light Therapy Mask features 770 medical-grade LEDs (light emitting diodes) - with four different wavelengths and six different settings to quickly address your skin's needs. LEDs Per Light Mode: Blue Light - 154 LEDs Green Light - 154 LEDs NIR Light - 154 LEDs Red Light - 308 LEDs PRO by Déesse PRO Light Therapy Mask has 6 treatment modes and emits light in the Blue, Green, Red and Near-infrared region of the light spectrum. Mode 1: 'Anti-Ageing' (Red Light 630nm): helps reduce fine lines and wrinkles, boosts collagen and improves elasticity in the skin. Mode 2: 'Purifying' (Blue Light 415nm): assists in killing bacteria that causes acne. Mode 3: 'Brightening' (Green Light 520nm): helps alleviate pigmentation. Mode 4: 'Post Procedure' (Near Infrared 830mm combined with Red Light 630nm and Blue Light 415nm): boosts circulation, increase the skin's ability to heal and accelerate skin repair. Mode 5: 'Calming' (Blue Light 415nm & Green Light 520nm): calms the skin and targets inflammation. Mode 6: 'Anti-Ageing Express' (Red Light 630nm): an intensified skin rejuvenation treatment (recommended treatment time is 10 minutes). PRO by Déesse PRO LED Light Therapy Mask is a non-invasive Light Emitting Diode (LED) treatment mask that uses the most clinically proven wavelengths of light to flood the skin in light and stimulate the skin's natural rejuvenating and healing processes to treat a wide range of conditions.