The maintenance of LED down requires attention to the following points:-Regularly remove dust with a dry cloth or soft brush to avoid affecting light efficiency and heat dissipation.-Do not wipe with a damp cloth or detergent containing chemicals to avoid damaging the surface coating or causing corrosion.-Do not use or store in high temperature or humid environments to avoid affecting life and performance.-If any abnormality is found, such as off light, flickering, discoloration, etc., please contact a professional for maintenance or replacement in a timely manner.