The compact avalanche transceiver is essential in avalanche-prone terrain. It&';s intuitive to use, with a 70m range & efficient search support features. To keep you safe on tour, the Barryvox 2 continuously checks its own operation with a self test function. For added safety on rescue operations, the avalanche transceiver is equipped with a rescue SEND function & automatic switching from search to send. While searching for buried subjects, it guides you with clear instructions via audible search guidance, voice guidance, & display cues. You can perform updates, configurations & avalanche training on the Mammut app, so you&';re ready to make fast, smart decisions in emergencies. Rescue SEND: Protective function for non-searching rescuers. In the event of a secondary avalanche it automatically switches to SEND to allow the rescuer to be locatedAuto-revert to SEND: safety function for rescuers searching with an avalanche transceiver in the event of a secondary avalanche burial. If a rescuer does not move for four minutes, the avalanche transceiver automatically switches from SEARCH to SEND thanks to a motion sensor.Automatic self test: your BarryvoxA(R) checks your transmit and search function signal when it is switched on and carries out regular transmission and battery tests.Interference Guard: your BarryvoxA(R) manages and reduces signal interference and indicates any interference in transmit and search mode.Group check: check the transmission frequency and strength of other avalanche transceivers quickly and easily with this function to ensure correct functionality.Voice guidance: your BarryvoxA(R) assists you with additional instructions in all search phases. This feature is currently not available in Germany, Austria and Switzerland and the US.Acoustic search guidance: a sequence of tones guides you in the direction of the buried subject and ensures that you can keep your eyes on the avalanche field during the search.Intuitive visual interface: guides you intuitively through all search phases and provides an overview of multiple burials.Auto-Select: in the event of multiple burials, your BarryvoxA(R) will guide you to the strongest signal first.Marking function for multiple burialsReverse direction function avoids 180-degree search errorsDeep burial mode: if a very deep burial is detected, the fine search automatically starts earlier (> 3m) for precise guidance.Compatible with the Barryvox app for firmware updates, configuration settings, search training with the BarryvoxA(R)Barryvox carrying system (included in delivery): safe and comfortable wearing of the avalanche transceiver on the upper body.Suitable for: Skiing, Mountaineering, Ski TouringItem number: 2620-00370Type: Digital 3-antenna deviceBuried subject marking: markSending frequency: 457 kHzBattery type: Alkaline 2 x AAA 1.5 voltBattery life : Standard requirement: at least 200 hours SEND at 10 degrees Celsius, followed by 1 hour SEARCH, at -10 degrees CelsiusBatteries included: YesSizesLengthHeightWidthone size115.00 mm21.00 mm68.00 mm