Trac10172 Time of Flight BLE Beacon, a Bluetooth Beacon that utilizes Time-of-flight technology to achieve distance measurement. It is based on BLE 4.2 and designed to be compact and IP67 waterproof, making it suitable for real-time usage monitoring by attaching it to soap dispensers, tissue boxes, or trash cans. It can also be deployed in restrooms for real-time occupancy monitoring, reducing regular maintenance costs. With its 600mAh large battery and periodic working mechanism, the product guarantees a lifespan of more than 3 years, making it the preferred choice for IoT-enabled smart offices, factories and plaza.