Electronic Football Substitution Board
1.Red numbers indicate the number of player exiting,Green numbers indicate the number of player entering.
2.Over time(Extra time for game)
3.Digits Color:red and green
4.Digital height:20cm
5.Input:AC100V~240V,50/60Hz
6.Output:18V1A
7.Power consumption:<30W
8.Additional function:Extra game time
9.Double-sided display
10.Built-in rechargeable battery
11.Dimensions:600X300X25mm