The Freelap Tx Junior Pro Transmitter is a portable battery-powered device that triggers the Freelap Stopwatch. The Tx Junior Pro transmitters are compatible with both the Freelap Watch and the FxChip. A single Tx Junior Pro can be used to time laps, or a single Tx Junior Pro can be used in combination with the Tx Touch, or a pair of Tx Junior Pros can be used to time short sprints.
