This product has a 4 out of 5 rating as of this posting.
Voice Caddie – Swing Caddie Portable Launch Monitors
New Feature: Practice Swing Mode which you can measure and practice swing speed without hitting the ball
Loft Angle Selectable
Voice Distance Output
Barometric Pressure Calibration.Carry Distance, Swing Speed, Ball Speed, Smash Factor.Measuring Range: 30-320 Yds.Battery Type: AAA x 4.Color: Gray.Package Content: SC200 Plus, Remote Control and Manual