With Tracy, it's easy to keep track of your personal belongings. It's a small and super lightweight accessory that you can attach to your keys, backpack, wallet, suitcase, and much more. It appears in the Find Me app that you already use to locate your Apple devices and track your friends and family. Tracy has a replaceable battery with a lifespan of 1 year and an IP67 certification, making it dust and water-resistant for up to 30 minutes at a depth of 1 meter. 2-pack Tracy.