A New Method for Muscle Building-Upgraded Push up board specifically designed to strengthen upper body. Push up bar with color-coded guided to bring up to 60 positions to activates 50% more muscles growth and increasing strength & definition in arms, shoulders, chest, back, and abs. Come with pull ropes to boost your workout. TRACK YOUR FITNESS - JNATER pushup board features smart counting and time function (included 2 *AAA batteries). Just open the button to count and time automatically. Stay informed with the push up progress that make you more focus on perfecting form and achieve your fitness goals more effectively.