The Furuno FCV-600L Sun Cover is a plastic accessory designed specifically for the FCV-600L Fishfinder. It serves to protect the device from harsh sunlight while maintaining its functionality. Manufactured by Furuno, a reputable brand in the industry, this sun cover is guaranteed to fit the FCV-600L model perfectly. With a warranty of 6 months, users can be confident in the quality and durability of this product, ensuring their fishfinder remains in top condition during their boating adventures.