Cycle Computer Velomann S1.23

Wireless cycle computer with 23 functions.
Functions: current speed; average speed; current speed compared to average speed; max speed; trip time; distance; odometer; time (12/24h); total ODO (ODO1+ODO2); dual wheel size; daily distance; automatic start/stop system; current heart rate; average heart rate, average heart rate compared to current one; max heart rate; heart rate limit signal.