Ultrak S-100 Soccer Sub Board

• Four digit LED soccer substitution board with 7 1/4 inch tall digits
• S-100 is single-sided only; S-200 is double-sided
• Red LED digits show the number of the player coming out of the game
• Green LED digits show the number of the player coming into the game
• Includes injury time function
• Viewable from 350 feet away
• Rechargeable lithium battery
• S-100 has 2 1/2 hour battery life from full charge
• S-200 has 5 hour battery life from full charge
• Dimensions are 22 x 10 1/2 x 2 inches
• Three-year warranty

Can also be used for Performance indicator for Track. No stand though. Recommend hanging it by its handle. 

WARNING: Products may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. www.P65Warnings.ca.gov