Usage Tips: With Bright LED Display: Timer measures 27.94 cm long x 10.16 cm high. This timer includes two blue numbers and four red numbers. With a bright 1.5" LED light, you can clearly see the time on the wall in the garage or gym. The fitness timer has a variety of functions to meet all your needs during training. 12/24 Hour Normal Time, Minutes and Seconds Countdown/Countdown, Stopwatch, Custom Interval Mode, Tabata, FGB.Handy for fitness garage fitness timers: Timers have pre-programmed buttons, including TABATA and FGB. The TABATA function is 20 seconds of exercise and 10 seconds of rest, 8 rounds. FGB1: 5 minutes exercise, 1 minute rest, 5 rounds; FGB2: 5 minutes exercise, 1 minute rest, 3 roundsQuick access to your preset workouts: you can store 10 settings from P0 to P1, each with 9 customizable intervals (from F1 MM:SS C1 MM:SS to F9 MM:SS C9 MM:SS), 99 circles. You can set training time/interval/round/rest time via remote control. You just have to remember the program under which number you entered. its really useful clock lets you track your workoutsEasy control via wireless remote: connect the timer with the wall adapter. Put 2 AAA batteries in the remote. Press the Tabata button and the red indicator light of the remote will flash. Then press the start button to start running. Control range up to 25 feet. Reminders for your workouts: This workout clock has a buzzer inside the timer. You can focus on exercising and the time will sound an alarm. The beep counts down to zero. Beeps every interval. Beep count to target time. Beep for 10 seconds 3 2 1 step.Friendly reminder for the 1.5 inch fitness timer: This timer is only operated by the remote control, you will not lose the remote control, this timer needs to be plugged in. The 1.5" (~3.8cm) timer case measures 11" (~27.9cm) x 4" (~10" is perfect for home or garage use, maybe smaller if using a large fitness club. Try buying our 3" or 4" timer