With the 3+ you are master of the situation. The patented SMART ANTENNA TECHNOLOGY with the intelligent location detection automatically switches to the best transmitting antenna. Making finding you easier. Also in terms of search, Ortovox makes no compromises. The 3+ is equipped with all the features of a modern, digital 3-antenna device. The illuminated real-time display provides information about the direction, distance and number of victims. The trend display, combined with the intuitive search acoustics can no doubt assist in the fine search. Once located, victims can be hidden with the marking function. For added security, there's an automatic switchover in case of secondary avalanche after 120 seconds of no movement. Also thinking ahead, Ortovox made the 3+ updatable using patches from their site.