Not comprehensible. Give no description to anything. No relativity for where the tag is in relation to you. No idea of the distance, everything is set in near or far with no description. Alerts go off, nothing for how far or what direction the tag has gone in. Alerts go off with no accuracy, saying tag is too far when it's right next to me. The interface is cell icon indicating where you are with proximity style slide at the bottom of the screen which always fluctuating without reference.