This Key Tag works in the same way as an ordinary remote key for keyless locking and unlocking. This smaller remote key can be used to lock and unlock the doors, tailgate and fuel filler door, which means that you do not need to carry the regular remote key. The smaller size of the Key Tag makes it easier to take along on sporting activities because it does not take up much space and weighs very little. The key is waterproof to a depth of 10 meters (32.8 feet) for up to 60 minutes, making it ideal for water activities. Since the key does not have a detachable key blade or buttons, you do not have to worry about any damage when it is underwater or during other sporting activities.