Product Name microcomputer intelligent remote tennis ball machine 【Product Model】 T-102 [Application areas indoor and outdoor tennis courts; [for the crowd] beginners to advanced players; [color] black [Product Description] T-102 is a microcomputer Intelligent Remote tennis ball machine, luggage mobile structure, generous fashion, mobile facilities; user-friendly design, the ball coming from the built-in control, overcurrent protection, serve speed can be set randomly changes automatically; built-in feature-rich, 6 line function can meet the normal practice in the training program; beautiful and compact, easy to carry, can be placed on any car trunk. Features shape design: trunk mobile structure; remote control function (11): serve speed, ball frequency, work / pause, fixed point / flat strike, swing around, lob, random, spin, spin ball, forehand and backhand two-wire ball; Power Type: AC, DC; tee direction control: built-in; serve speed: 30-150 km / h; frequency :2-12 sec of the ball / ball; mounted ball capacity: 230 ; standby power: portable battery box (use 3-5 hours) [random accessories external portable battery box, battery charger, AC power cord, DC power cord 【Specification】 Net weight: 21kg Packing: 1 main body: 54.5 * 47.5 * 27 (cm) 2. battery box: 32.5 * 21.3 * 18.3 (cm)