The Ulike Clear Pro combines DPL technology with three targeted modes—NIR, Redness, and Brighten—to help reduce dark spots and support a more even, radiant complexion. All Ulike products include a 2-year warranty from the date of purchase. If you experience a defect with your device, please contact seasupport@ulike.com via email for initial verification. Once Ulike confirms the product is defective, you may reach out to us with that proof to arrange an exchange.