Tracker S Avalanche TransceiverDescription The BCA Tracker S Avalanche Transceiver has the performance, ease of use and instantaneous real time display of the Tracker3, without the Tracker3 motion sensing or upgradeable software, which are advanced features needed by snow professionals while in an avalanche area. This Backcountry Access beacon is used to find people while in an avalanche and prevent death or injury by locating the transceiver. Make sure to read the Backcountry