The transmitter emits silent, ultrasonic sound waves, which you can detect and track using the handheld detector. Hide the transmitter with a valuable object, an important case document, or a suspect, and then use the detector to search for its whereabouts. When you get close to the transmitter, the LED display on the detector lights up, leading you to the transmitter. Hone your tracking skills to become a super sleuth!

• Locate the transmitter using the ultrasonic sensors on the detector
• Light-up display tells you when you are getting closer
• Mark secret hiding places, objects, and suspects
• Use the tracker when playing hide-and-seek  or a scavenger hunt game