Endorsed by the World Sport Stacking Association (WSSA) as the official timing device for Sport Stacking, the StackMat Pro combines a detachable precision Competition Timer accurate to 0.001 with super sensitive touch pads and an "optimum" stacking surface.<br /> <br /> Features:<br /> - Accuracy to 0.001 seconds<br /> - Memory feature to save your best times<br /> - Data port to connect to external display<br /> - Gen 4 Graphics<br /> <br />