Great classroom tool for keeping track of timed activities like presentations, debates, assessments, sports activities and breaks. Screen shows both seconds and minutes as timer counts down or up one to 100 minutes. Includes handy magnetic clip on the back. Display this timer by using the magnetic strip on reverse side or hanging clip that also attaches to belts and clothing. Width: 5.3"; Depth: 3.6"; Height: 0.9"; Display Type: LCD.