This is a key locker from DECANT. It's a padlock-type box for storing car keys during surfing or marine sports. It's large enough to easily store card keys and keys with keychains attached. * Large storage capacity * BOX type that can safely store car electronic keys, garage keys, and house keys * Includes an aluminum pack that supports smart keys * Perfect for when you can't carry your car keys outdoors. * Waterproof cover design to protect the dial from moisture * Plastic cover that prevents scratches on the installation surface ※ Depending on the model and vehicle type, radio waves may not be blocked, and this product may not be usable. Please be sure to test and confirm before use.