Mammut Barryvox 2Mammut's Barryvox 2 avalanche transceiver is compact and intuitive making it an essential for any adventure in avalanche territory. With 70m of range and excellent search support features the Barryvox 2 will help keep you safe. Featuring functions to keep you safe such as its own self test function, rescue SEND function, and automatic switching from search to send. The Barryvox 2 provides guidance through clear audible guidance, voice guidance and