This button allows the judge or assistant to manually start or stop the clock by pressing the button. It is fully waterproof and with an ergonomic design. https://omni-pro.net/product/start-stop-button/

OmniPro Club equestrian sports timing system comes with 3 optical gates, 6 tripods and a USB cable, all supplied in a rugged case where the optical devices are charged and stored. The case is equipped with wheels for easy transport. This system can come with optional thermal printer and manual start/stop switch. Please select the appropriate version for your requirements. _ https://omni-pro.net/product/omnipro-club/

OmniPro Club equestrian sports timing system comes with 3 optical gates, 6 tripods and a USB cable, all supplied in a rugged case where the optical devices are charged and stored. The case is equipped with wheels for easy transport. This system can come with optional thermal printer and manual start/stop switch. Please select the appropriate version for your requirements. _https://omni-pro.net/product/omnipro-club/