SmartCard Lite - Long Lasting 2 Years Battery: SmartCard Lite is powered by a long-lasting, non-rechargeable battery that keeps working for up to 2 years – twice the lifespan of an AirTag. No need to worry about recharging or carrying cables. Just set it and forget it. SmartLock - Compatible with Apple Find My: Locate your luggage via GPS with the help of the global Apple Find My network, or use Bluetooth to play a sound and find SmartLock nearby. Not compatible with Android. SmartCard Lite - Compatible with Apple Find My App: Add your Key Smart Card to Find My App on your Apple iOS device. Play a sound on your KeySmart Card to find it nearby with Bluetooth, or locate it through GPS with the Apple Find My Network, with the help of hundreds of Apple devices around the world. Does not work with Android devices. SmartLock - Built Tough for Travel & Water Resistant: Crafted from durable alloy steel, the SmartLock is extremely tough and impact-resistant, built to withstand the rough handling of baggage handlers so your lock and luggage arrive safely at their destination. Plus, with its IPX3 water resistance, it's ready for unexpected rain or accidental spills, keeping you secure no matter the weather. SmartCard Lite - Ultra Slim - The Thinnest Wallet Tracking Card Anywhere: The KeySmart Wallet Tracker Card is the size of about two credit cards - less than 2mm thick- and the slimmest tracking card on the market. Place it in your wallet, luggage tags and more to locate your missing items.