Plank Trainers For Abdominal Cores Strength Training With Timing Lcd Display Plank Support TrainersFeatures: 1.Targeted support helps you completely focus on your cores rather than your form 2.Two pads allow you to work out without looking for any soft surface 3. The high quality material can withstand your full weight and repeated use 4. Portable so you can easily carry it in your gym bag or backpack 5. Comes with a timer to keep your workouts efficient and effective Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Size: As picture show Functions: Main timer: Press and hold the minute and second keys simultaneously to clear to 00:00 press the start/stop key to start the timer press the start/stop key again to start the timer; no ringing reminder in the main timer Countdown timer: press the minute and second keys simultaneously to clear to 00:00 press the minute and second keys to set the time; press the start/stop key to start the timer the time is up and there is a 30 seconds ringing you can press any key to stop the ringing Timer range: 00:00-99 minutes 59 seconds Features: Power switch / Memory function / Easy access battery compartment cover includes: 1x Plank Trainers