Feature:1. Two countdown times can be set each time, and the maximum time for each period is 99 minutes 59 seconds, which can be counted forward.2. Accuracy is one hundredth of a second, and it has the functions of alarm, vibration, and shutdown.3. Countdown in sections, 99 countdowns can be cycled. A good and wise choice you should make.4. Easy to use, without any difficult requirements even though you use it for the first time.5. It is light in weight, easy to carry, and will not increase the burden of your travel.Specification:Item Type: TF6204 Interval TimerOuter Material: ABSProduct Size: Approx. 65 x 53 x 26.5mm or 2.6 x 2.1 x 1inWeight: Approx. 75g or 2.6ozBattery: 1 AAA Battery (Shipped With Built-In Battery)Battery Capacity: 700mAhFeatures: Suitable for Yoga, Boxing, Weightlifting, Running, Aerobics and Other Sports Training, with Stopwatch Function.Package List:1 x Memory Stopwatch1 x Manual