If you need the best of the best, you’re looking for the Mammut Barryvox S2 Avalanche Beacon. It has an industry leading 70m range and a plethora of pro-guide level features, including Mammut-patented Intelligent Fine Search Guidance technology designed to simplify the final cross-search where mistakes can often be made. It even continuously checks its own operation with a self test function, so you know it’s always ready to spring into action if things go sideways. PLEASE NOTE: This product has been verified by Mammut and is not affected by the voluntary recall issued for Barryvox 2 and Barryvox S2 beacons.