Witty TAB Display Board has an internal timer and comes complete with a radio transceiver. Has the ability to communicate with Witty photocells. As the athlete passes, the photocell transmits the signal (start/lap/stop) to the display board by a radio signal. The transmission range is 150 metres under standard conditions.
The two batteries guarantee stand-alone operation for at least 10 hours without having to connect to the mains supply.
The Witty TAB system includes: display board, tripod, charger and carry bag.