Peak Design Beacon Finder Card The Peak Design Beacon Finder Card assists in recovering misplaced wallets and luggage through its pairing with the Apple Find My app. This device ensures peace of mind for essential items often prone to being forgotten during daily activities. With its reliable tracking capability, it provides a practical solution to keeping belongings secure and accessible. Features: 85.6mm x 54mm x 1.8mm (3.37 x 2.13 x 0.07) 13g (0.46oz) Lithium Ion Polymer Cell battery 5 months between charges Charging takes 2 hours