Large digital timer 4"x3" overall size, beeping alarm and flashing light when time's up. 4 quick pre-sets for repetitive timing Test, TV/ video game time, cooking, etc. Set your own desired time by repeatedly pressing the buttons. EX: 60 minutes = 6 presses of 10 minute button. Magnets, hooks & built in stand on back Great for Therapy. Beeping alarm can be turned off for those with sensitivity, leaving just flashing light. Battery included