This is a Portable Large Screen 2Tracks Metal Electronic Sport Stopwatches with 100 Measurements PS-6100. The electronic stopwatch is designed for the trainers, coaches and athletes.The Digital Stopwatch features a large LCD for your reading, and you can see the clear and readable information on the screen. Adopt with the lightly touches and micro switch, this sensitive Electronic Stopwatch ensures you an accurate calculation. The pacer function of the digital alarm clock timer beeps between 10 to 320 beats per minute. The precise time reaches 1/100second. It's very accurate and up to 10 hours measure time. Calendar function, Alarm clock, countdown function, Pacer mode, this Digital Alarm Clock will meet your daily diverse needs. Lap, split, and cumulative time display with 100 lap memories. The metal case is so durable for long time using. Also the digital stopwatch supports SL, FS and AV analyze for your daily use. The Digital Stopwatch is combined a multi-mode stopwatch and an easy-to-use countdown timer. Ergonomic case with mode, start/stop, recall and lap/reset buttons on the top is easy to hold and use. With this Countdown Timer Clock, you will never be late for that important meeting or miss the special day. This simple to use Countdown Timer Clock assists you in the need and takes the guesswork out of timing your schedule. What are you waiting for?