No basketball arena is complete without our state-of-the-art LED indoor shot clocks. Our LED shot clocks are 100,000-hour rated for maximum reliability. Shot clocks are easily programmed for any time between 0 and 99 seconds. Cable-controlled shot clocks include 100 feet of control cable per clock. These 100,000 hour-rated red super-bright LED shot clocks operate in synchronization off of an existing Sportable basketball scoreboard cable controller. Can be used with most permanent basketball scoreboards shown in catalog (model 2218 excluded). 15" LED displays for maximum visibility. Loud built-in horns included. 5-year limited warranty. Ideal for mounting on the wall adjacent to each scoreboard. INDOOR USE ONLY. 5-YEAR LIMITED WARRANTY.