The Transponder Tracker is a handheld device with a semi-realistic design, featuring a rugged, angular casing made of a combination of metal and durable plastic. It has a small, circular screen displaying a radar-like interface with blinking dots representing tracked creatures, surrounded by a series of buttons and dials for adjusting settings. The device is predominantly dark grey with orange and blue accents, highlighting its technological purpose. Its surface is slightly weathered, showing signs of frequent use in harsh environments, with visible scratches and minor dents.