The FTI-70 foot tag tracker Implements monitoring functions such as identity recognition, clock in inventory, location tracking, electronic fence, and loss monitoring for cattle assets in open scenarios. The FTT-70 cow leg ring utilizes a disposable anti disassembly and wearing structure, which is easy and fast to install. It is uniquely bound to one item and one code, and has a built-in high-energy battery that supports full lifecycle monitoring, providing real-time remote asset positioning and data supervision for open ranches.