100% Swiss design, engineering, and production. Detects and transmits vital data, allowing effective pre-excavation triage. Permanent 360-degree display provides quick and precise location. * First and only 3-antenna transceiver with digital and analog modes. Easy operation thanks to clear instructions. Secure and comfortable carrying case. * Improved DSP (Digital Signal Processing) to better distinguish multiple signals. Scalable software platform currently loaded with version 3 firmware; updating is easy via the W-Link. Intelligent group check. * Technical features: 457 kHz transmitter frequency. Search strip width: 40 m (method Good). Maximum range: 60 m standard; 90 m analog. * W-Link frequency: 869.8MHz. Battery life: min. 200 hr (3 x AAA 1.5 Volt batteries). Warranty: 5 years Mammut warranty, worldwide service network.