I tried buying a card alternative for the Qurio Lock on Amazon, but it didn't work, so I'm putting it up for sale (^_^;) Model Number: Lite-S RC-S966 FeliCa chip, Dimensions: 85.5 x 54 x 0.8mm, Material: Plastic, Weight: Approximately 6g, Communication: Compliant with FeliCa communication method, NFC (ISO18092) Passive mode, Chip Name: FeliCa Lite-S, Communication Distance: 5cm, Chip ID Number: 16 digits, System Code: Not set, Service Code: Not set, NDEF Specification: Unformatted