The ultimate visual timer for larger spaces, as time elapses the red disc disappears. Includes 3 two-sided timer faces (5/15min, 30min/1hr, 2hr/dry erase face). With eight timer settings from 5 minutes to 24 hours. Volume control dial to help reinforce when time is up or use the silent option. Use it freestanding or wall-mounted with the included bracket mount. Requires 2 “C” batteries (not included).