A:External,fixed installation on any brand starting platforms:
1. It senses swimmer’s reaction times, take-off times and block-off times, accuracy to 0.001s.
2. Custom pad size fits all kinds of starting platforms. (Please contact seller for more information)
3. High quality SUS 304 stainless steel material. Suitable for many different types of starting blocks.
4. It is fixed to the starting platform with a tension belt. Easy to install.
B:Build-in,fix installation inside the selected brand starting platform ( Please contact seller for more information).