GREEN Laser Alignment System The GREEN laser alignment system shows you the precise line, shape, and balance of your putting stroke, so you can practice with pinpoint accuracy. RED Laser Calibration System The RED laser helps you gather personal data on the relationship between your backstroke and your putt distance. Use this data to develop "laser-perfect" feel for distance, pace, and speed. Laser Visualization System Visualization gives you powerful images of perfect putting strokes that you can store in your mind and later recall when facing a similar putt on the green.