Penalty Timer 4 Roller Derby

Features include:

* Can be used to time one or two teams
* Audio / visual / vibrate reminder when 10 seconds are remaining
* All timers can be paused, resumed, or reset individually or simultaneously
* Team names and colours can be customised on two teams screen
* Timer backgrounds can be customized. Add your League's logo, team photo, or any image you like.
* Auto Airplane mode automatically switches your phone to Airplane mode when the app is launched, and switches it off when you quit the app. This prevents the timer being interrupted by an incoming call. (Not available on devices running Android 4.2 and above.)
* Preferences allow you to customize reminder time, which screen to open on, reminder tone and/or vibrate, and to prevent accidental closure of the timer when pressing the back key
* Choose vibrate or tone or both to signal reminder time and timer expiry
* Adjustable penalty period
* App can prevent display from dimming / timing out during use.
* Can add or remove 30 seconds from an individual timer if the player is given a 1 minute penalty instead of the standard 30 seconds.
* AutoJammer mode allows you to switch penalty times between jammers automatically. Times can also be swapped manually. App automatically handles WFTDA 6.3.1. and 6.3.11.
* Support for WFTDA 6.3.2 where both jammers are sent to the Penalty box at the same time.