The Mammut Barryvox pulse avalanche beacon is an easy to use, reliable, and effective tool for people who travel in avalanche areas. Easy operation is insured with clear instructions, and a clear display. The unit searches quickly thanks to a 360-degree display and 3 antennae. Reliability is a result of excellent Swiss design, build and quality control. Features: EASY: Easy operation thanks to clear instructions. FAST: Quick and precise location thanks to 360-degree display and 3 antennas EFFECTIVE: Save time with a clear overview in the case of multiple victims Specs: Type: digital/analog transceiver with 3 antennas Transmitter frequency: 457 kHz Search strip width: 50m (method Good) Maximum range normally: 60m in standard mode, 90m in analog mode Dimensions: 113mm x 75mm x 27mm Weight: 210g (incl. batteries) W-Link frequency: 869.8MHz Battery life min: 200 hr Batteries: 3x 1.5 V Alkaline (AAA) Warranty: 5 years Mammut warranty, worldwide service network The PULSE Barryvox® Pulse complies with the EN 300718 standard