With the 3+ you are in charge ! The patented SMART-ANTENNA-TECHNOLOGY ™ with intelligent position recognition automatically switches to the best transmission antenna. You will be found easier. We make no compromises in terms of searching either. The 3+ is equipped with all the features of a modern, digital 3-antenna device. The illuminated real-time display tells you the direction, distance and number of victims. The tendency display, combined with the intuitive search acoustics, leaves no doubt when operating in fine search mode.