【實用運動app】Penalty Box|最夯免費app-綠色工廠好玩App

Penalty Box is the easiest to use and most feature complete Roller Derby penalty timer. Features include:• Large buttons, easy to quickly find and tap quickly in busy situations• Blocker timers allow you to start a secondary timer when you have a blocker standing in the box• Customizable team colors with ability to quickly swap sides• Vibrates and flashes warnings at 10 and 0 seconds remaining (can be customized to different times)• Jammer timers automatically assign the correct amount of time remaining when a second jammer comes to the box.• Jam Start/End button to pause and resume all timers quickly• Timers can be set to act as a count down, or to count up as a stopwatch.• Quickly double penalty time, or modify time elapsed.• Set up for WFTDA rulesProgrammed with love by a skater in Hawai‘i.