2 user profiles, on a Basic and Professional basis Fine-locating with additonal distance aid Digital and Analog Mode 360-degree display Digital three-antenna design allows precise searching, even in deep-burial and close-proximity searches; locates burials within a 60m range in digital and 95m in analog Features two user profiles that you can choose from: basic and advanced. Basic profile operates in digital mode and provides an overview of the number of victims; device automatically searches for the strongest signal (no manual selection possible). Advanced profile operates in digital and analog mode and allows manual scrolling of the list of victims; you can select a victim to search for. Advanced profile also lets you search in full analog mode to enhance range, however, digital mode better distinguishes multiple signals to speed searching for multiple vicitms. In multiple burial scenarios, use the side button to mark rescued victims to mask their transceiver signals so you can more easily search for other victims. 3D motion sensors receive and record victim's vital heart rate data, letting you quickly perform the triage required to maximize rescue efforts. Mammut Pulse Barryvox avalanche transceiver is compatible with all transceivers operating on the 457 kHz frequency.