Preferred Material- Plank trainer with timer provides more stable support and safe exercise, it also provides comfort for your arms, and makes you more "inclined" when doing plank exercises. Safe and Secure- Angular mechanics triangle design, positive timing, countdown design, you can plan your exercise time reasonably, monitor in real-time, and control the exercise time yourself. Comfort Grip- Soft grips for easy grip, comfortable training, patented design and contoured cushioning give you personalized support by relieving stress on your joints.Counting design use button battery, model LR1130. Adjustable Angle- Contract your abdominal muscle through a full range of motion and keep your back from arching. Whole-body movement makes exercise more effective. Powerful Upper Body- They are ideal for upper body muscle training, especially the chest muscles, triceps, abdominal muscles and back muscles. These can be easily used at home and in the gyms. Push up bars are perfect for both men and women. By training with the push up bars, your range of motion will be increased, and you will be able to target muscles more effectively Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store