Golf Swing Basics: The Fundamentals You Need to Know
You just need to remember to charge the device before you want to play.
Noone else can say that.
The backswing is where you lift the club back from its starting position and bring it above your head.
When addressing the ball it is important to align your body in position with the ball.
Repeat the process as many times as you like.
Some analyzer units run on watch cell batteries, which can become expensive to replace over time.