This small economical student timer is perfect for any classroom or lab. The Digital Lab Timer/Counter measures in hundredths of a second. This stopwatch has 3 easy-to-use large, red buttons: LAP, ON/RESEST, and START/STOP. It comes with a clip-on feature and a lanyard for wearing around your neck. The back of the clip has a magnetic strip that attaches to a variety of metal surfaces. It also has a wire to convert to a tabletop stand for flat surfaces.