Sport Stacking - Speed Stacks StackMat Pro
Endorsed by the World Sport Stacking Association (WSSA) as the official timing device for Sport Stacking, the StackMatTM Pro combines a detachable precision Competition Timer accurate to 0.001 with super sensitive touch pads and an "optimum" stacking surface.Features:** Accuracy to 0.001 seconds** Memory feature to save your best times** Data port to connect to external display** Gen3 Graphics