The new Tx Touch Pro transmitter is slimmer than the previous model and has a user replaceable lithium battery rated at 15,000 starts.
- The Tx Touch Pro automatically triggers the Radio Chip when the athlete releases the button on first movement such as block starts and the 40 yard dash.
- The transmitter also has an audible beep; this feature can be used to include reaction time in the sprint when an assistant holds the transmitter and releases the button in close proximity to the athlete.
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