Features: Training electronics interval timer. Perfect for Yoga, Boxing, weightlifting, running, Tabatha training and other GYM workouts. The best budget option to meet your needs. Your must-have training electronics interval timer. Description: The interval timer has alarm and vibrate, shutdown function. Specifications: Set interval times: 2-99 repetitions, 1-2 intervals, measure up to 99 minutes 59 seconds. Count up timer: 1/100 second, measure up to 99 minutes 59 seconds. Alarm and vibrates, shutdown function. (Supports Vibration Function, also comes with Prompt Sound) Power source: 1*AAA battery (1.5V, not included) Size: 65mm*51mm*23mm Material: Plastic Color: Black Maintenance: Keep away from strong sun or high temperature. Keep away from corrosive liquid, sharp hard object impact. Replace the battery in time when the display becomes weak. Package includes: 1x Interval Timer