Multisport Indoor/outdoor Scoreboard ,Waterpolo 30 Seconds Training Shot Clock Scoreboard Ball Game Equipment ,Easy to Install

Light-weight andrugged exterior body. For both indoor andoutdoor use. With horn sound when countdown to 00 second. Best suit for junior pool (20 meters), adulthalf pool (15 meters) setting andpractice 6 on 5 strategies. Wireless devicefor coach and time keeper to control(start, stop, reset) from opposite side of the pool.Countdown can be adjusted between1 to 99 seconds(e.g. 20 seconds for junior pool).