Auto Treatment Timer - The light mask will shut off after 10 minutes, goggles are included for better protection of the eyes from the lights. Easy and Effective Treatment - Suitable for all skin types, lightweight, safe and comfortable. Visible results in as little as 1 week with results improving over time. Free of Chemicals and UV Light - This face mask harnesses the power of proven technology to clear acne and allow the skin to heal itself. Unlimited Light Treatment Sessions - No activators needed, powered by USB port or portable battery power bank, you can use it as many treatments as you needed, no more extra costs. Features Proved Light Therapy Technology - Individually 3 lights(bule/red/orange). Blue and red light reducing the existing inflamed breakouts and targeting spots before they appear, blue light targets acne-causing bacteria while red light reduces acne inflammation, the orange light improve the dull-looking skin.