The SEIKO Shot Clocks are portable displays which meet international basketball regulations. The set includes 2 display units a controller 2 connection cables and a power cable. The shot clocks feature large highly visible LED digits 2 instantly resettable pre-set times and a buzzer sound when the countdown reaches zero.Meets international basketball regulations (FIBA)Each display: 19 2⁄3""W x 13 1⁄4""H x 2 1⁄8""DHighly visible LED digits2 instantly resettable preset timesSet from 1-99 seconds & resolution in full secondsBuzzer when countdown reaches zeroSmall display in control boxPowered by AC 100-240VIncludes 2 display units controller box 30m & 50m connection cables & power cable