Crossfit Clock Product Profile 6 Digit 1.8 inch red and blue portable crossfit timer clock measures 31*10*5.3 cm. This gym timer is made of self-illuminating 7-segment digital tube and high-quality circuit board. The frame is made of black aluminum alloy. Durable and of high quality. This home workout gym timer is operated by remote control, which is easy to operate and convenient. The product has two hang holes on the clock back that can be wall mounted. It can also be placed directly on a table or on the ground. DC5V 2A power supply with USB cable. Use original adapter or connect to your 5V power bank. Whether it is home, fitness, sports, meeting timing, etc. are very good choices. Functions: 1. Stopwatch - supports up to 99 minutes, 59 seconds, 99 milliseconds; 2. Count UP Timer - support up to 99 minutes and 59 seconds counter up timing. You can set up a new custom counter up time, start from 0, and stop automatically when the time is up to custom time. For example, set the 10 minutes positive timing, input value by number keys on the remote control "10:00", press the EDIT key to save exit setting, the clock will automatically display "00 00", press the OK key to start timing from 00:00, and automatically stop at "10:00"; 3. Countdown Timer - support up to 99 minutes and 59 seconds countdown. You can set the countdown at any time between 99:59 and 00:00. For example, if you set a 10-minute countdown, you can use the remote control to input "10:00", press the confirmation button to display "10: 00", press OK button, and the timer starts counting down from 10 minutes. The time ends until "00:00". 4. Normal clock - Support the 12/24 hour clock display. Press 鈥?4Hrs鈥?or "12Hrs" key to show Military Time(24hrs) or Standard time(12hrs) . The remote control can be used to switch between different display modes; 5. Interval timer - This feature is also the most important feature of this clock. Users can use it to set the timing in daily fitness activities. The time is divided into workout time and rest time. The workout time is indicated by H1 and the rest time is indicated by H2. Each set of timings can be kept on different shortcuts. For example, three different timing modes can be saved in the 1, 2, and 3 shortcut keys. When in use, simply press the shortcut and then press the start button, the corresponding set of time will start running. Supports up to 10 sets of interval timing and quick save. 6. TABATA - Tabata mode consists of 8 rounds of 20 secs workout time and 10 secs rest time. It beeps once when workout time and ends and beeps twice when rest time ends. Just press 鈥淭AT鈥?key and 鈥淥K鈥?key to run this function; 7. Fight Gone Bad Timer - Press 鈥淔GB鈥?key to turn on the mode. FGB mode consists of three 5-minute rounds and 1 minute rest time between each round. It beeps once for each 1-minute workout time start and beeps twice for each 1-minute rest time start.Crossfit Clock website:http://www.timingall.com/gym-clock/crossfit-clock/