Ernest Sports ES15 Range Golf Launch Monitor The Ernest Sports ES15 Range Golf Launch Monitor provides ball speed, club speed, smash factor, distance, launch angle and spin rate in the convenient form of a sleek bay divider. For more in-depth statistics, patrons can easily pair the unit to their smart device with the free Ernest Sports app. Shot data is displayed instantly on 2 LCD displays, but the ES15 Range is also equipped with Bluetooth technology allowing each user to connect to the free Ernest Sports App. Synching a smart phone or tablet to the ES15 Range is quick, easy and opens a variety of additional features.