1. and FunctionalThis rowing machine counter is made of material, durable, and functional for long term use. 2. Multifunction display The electronic watch measuring device has multiple functions, including time, distance, paddle frequency, kilometer and mile speed, and calorie rate, so you can accurately track and monitor your training progress. 3. Wide measurement range The time function can measure from 00:00 to 99:59, while the distance function can measure from 000 km to 999.9 km. The paddle frequency function measures from 00 to 99, and the kilometer and mile speed functions measure from 000.0 km/h to 999.9 km/h and from 000.0 ml/h to 999.9 ml/h. The calorie rate function measures from 000.0 CAL/H to 999.9 CAL/H. 4. Compatible with FTMS protocolThis rowing machine counter supports the FTMS protocol, compatible with various fitness equipment and devices.