The Trac10125 Key Fob Wirepas Tag corresponds to the latest generation of Wirepas5.1 based tags . The Keyfob is designed to full fill all requirements for people flow management and secure access control use cases.Due to its optimized and ultra-low power consumption, the tag guaranties un-surpassed battery lifetimes with, and in addition, the possibility to replaceable its CR2032 batteries. Its high precision accelerometer sensor permits to detect any movements, vibrations, shocks or a specific fall.