Protector Anti-Fog Protection: The FogOff® insert prevents fog buildup, ensuring clear visibility during various weather conditions, especially in cold or rainy environments. Photochromatic Function: Transitions from clear to dark in response to sunlight, offering the rider enhanced visibility and eye protection from sudden glare or bright sunlight. UV Protection: Provides additional UV protection, reducing eye strain and shielding from harmful sun rays. Material Durable Polycarbonate Lens: Made from high-quality polycarbonate for resilience and impact resistance, ensuring the lens withstands everyday wear. Photochromatic Coating: Special coating enables the lens to adapt to light changes, making it suitable for both day and night. night riding. Anti-Scratch Layer: The surface is treated with an anti-scratch layer, providing durability and maintaining clarity over time. adding noticeable weight or obstruction. Adaptability: Transitions smoothly between clear and dark modes, providing comfort across different lighting conditions without the need for manual adjustments. Cautions Compatibility: Only compatible with MT V28 visors, specifically for Thunder4 helmets. Ensure compatibility before purchase. Cleaning Care: Use only soft, non-abrasive cloths to clean the lens. Avoid harsh chemicals that may damage the photochromatic and anti-fog coatings. Sunlight Sensitivity: The photochromatic transition may take a few seconds, so avoid sudden entry into bright light situations. Installation Check: Ensure the insert is securely locked in place before riding to prevent accidental detachment.