Features: Training electronics interval timer. Ideal for Yoga, Boxing, weight lifting, running, Tabatha training and other GYM training. Best budget to meet your needs. Your must-have training electronics interval timer. Specifications: Set interval times: 2-99 repeats, 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 vibrate, power off function. (Supports Vibration function, also comes with Prompt Sound) Power supply:1*AAA battery (1.5V, Not included) Size: 65mm*51mm*23mm Material: Plastic Color: Black Maintenance: Keep away from hot sun or high temperature. Keep away from corrosive liquid, sharp hard object impact. Do change the battery in time when the display becomes weakened. Package includes: 1x Interval Timer