Material:ABS, sponge Color:Black, White, Pink LED display, accurate timer. Adjustable angle, suitable for different groups of people. Widely applied for all kinds of training.You can use it for simple flat support,one hand flat support,one leg flat support,push-up flat support,and side flat exercise. Features: 1. It effectively activates your core muscles. 2. Ergonomic design, well adjusted posture. 3. LED display, accurate timer. 4. Hand-held foam, thickened elbow pads, soft and comfortable to use. 5. Adjustable angle, suitable for different groups of people. Instructions For Display: [Positive Timing] Press and hold the minute key and the second hand key to reset to 00:00 at the same time,press the start/stop key to start timing,and press the start/stop key again to start timing;No ring reminder in a positive timing state. [Count Down] Press the minute key and the second key at the same time to reset to 00:00,and press the minute key and the second key to set the time;Press the start/stop key to start timing.When the time reaches 30 seconds,you can press any key to stop ringing. Package Include: 1 * Multifunction Timing Plank Trainer Note: 1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you 3.Thanks for your understanding. Have a nice day