Axis Avalanche Transceiver by Arva

229753 Features: Get incredible range with 3 antennae and a digital signal that carries up to 50 meters or use analog mode for an even wider search range Detect multiple victims simultaneously and automatically create a list from which you can mark and unmark victims, all on its detailed LCD display You're guided to a signal using 3 levels of search via arrows and distance values, including a four-arrow pinpointing search graphic that gets you within probe range Simultaneously locate everyone's beacon before you start your search with the group check function Should you be caught in a slide and quit moving for 4 minutes during your search attempts, the motion detector will switch it to transmit mode so that other rescuers can find you When you stop to probe or dig, set it to stand-by mode so that your beacon doesn't switch to transmit mode inadvertently Specifications: Range: 50 meters Number of antennae: 3 Battery type: (4) AAA alkaline Battery life: 250 hours Weight: 92 ounces