The Orlimar Golf Mat for OptiShot Simulator is the perfect companion for the OptiShot 2 Golf Simulator. The mat measures 3 foot by 5 foot and comes with a pre-cut hole for the OptiShot infrared sensor base (which is sold separately). OptiShot2 has sixteen precisely-tuned, high-speed 48MHz infrared sensors. Each is calibrated to track your favorite clubs, before, during and after contact, giving you precise and instantaneous feedback on every shot. The high-quality, durable nylon artificial grass surface and foam backing provides for a realistic feel and appearance.