Brand: Escali. MPN: DR7. The Escali DR7 Extra-Loud Digital Timer will help you keep track of events in loud environments. It also 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. The overtime counter will help you keep track of how long the timer has been expired. If you work in a busy environment or need extra help hearing a timer s alert this timer is for you!