Here is a smart wallet with RFID blocking and tracking technology to protect your cards and prevent wireless data theft. It can be unlocked with a 3 digit locking code. The Code Wallet is compact but can hold up to 12 cards. With TrackR Bravo, you can track your wallet from your iOS or Android device.
The Code Wallet has a replaceable battery. It comes with 2-way tracking and built-in ringer. You can find out more on Kickstarter.