Trac10321 Indoor Navigation BLE Beacon that is mainly used for push notification and indoor navigation. With adequate development and platforms, Trac10321 Indoor Navigation BLE Beacon can provide a complete planning view from start to finish in exhibitions, museums, libraries, commercial complexes, etc. Trac10321 Indoor Navigation BLE Beacon has a broadcast distance of up to 150 meters and is equipped with a large battery that can be replaced. Under the low power broadcast, the service life is up to 10 years while being maintenance free.