A motion detector is a device that detects moving objects, particularly people. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
Whether you play recreationally or competitively, at the club level or at the professional level, knowing how to be a better tennis player requires careful analysis of your current level and a clear identification of your goals as a tennis player.he first step in how to be a better tennis player is to know your current skill level. The easy way would be to classify yourself as beginner, intermediate or advanced. However, the more accurate NTRP rating provides a better assessment.
Professional table tennis players train from 3-8 hours a day. Most of the world's top 20 players are training closet to the 8 hour mark.   It depends on how serious t â¦ he player is. If they are very professional and play for money, they will practice for about five hours or more. But people who play for fun just play for fun.