It works great for both right and left handed golfers.
Easily attaches to all golf putters.
Give a laser guide line during your putt to check your putting plane.
Fix your putter in seconds.
INT (automatic model)---turn to INT model and press the pink button, and the laser will last 10 seconds and then power off automatically.
CON(continuous model)---turn to CON model and press the pink button, the laser will last about 35-40 minutes, then the voltage will decrease, laser will also become weak, close it for 1 hour, all will be normal again, but we suggest that don't use CON model except adjusting the angle.