Life sign
From Tardis Wiki, the free Doctor Who reference
Jack Harkness' vortex manipulator could detect life signs. He used this function to find Mickey Smith and Sarah Jane Smith aboard the Crucible. (TV: Journey's End)
During her mission on New Venice, Doom used her vortex manipulator to check her life signs, finding that she had 24 hours left to live. (PROSE: Hour One)
