The Escali DR7 Extra Loud Digital Timer will help you keep track of events in loud environments and features a silent mode with a visual alarm for use in quiet situations. The timer can count up or down to a maximum of 19 hours, 59 minutes and 59 seconds and the overtime counter will help you keep track of how long the timer has been expired. The 110 decibel alarm and flashing light will easily alert you when a timer has expired.