1、[LED Display Screen] The scoreboard has a beautiful display with bright LEDs, using 3in and 2.3in red LEDs that you can clearly see from 66 feet away. 2、[Durable Material] The scoreboard adopts professional circuit board with large circuit area and low failure rate, and has aluminum alloy frame, which is light, reliable and durable. 3、[Multifunctional] The scoreboard has a normal mode and a tennis mode, suitable for different game formats and rules. 4、[Wide Application] The scoreboard is widely used in basketball, badminton, fencing, table tennis, soccer, volleyball and other training. 5、[Portable Size] The scoreboard measures 24.3 x 7.5 inches and comes with hooks and a no punch wall top for easy portability. Item Type: Electronic Scoreboard Material: Aluminum alloy, ABS Function Overview: 1. Tennis mode 2. Free score mode Product Power Supply Mode: 1. Power adapter supply DC5V 2. 3 x 18650 Li ion batteries (without) Remote Control Power Supply Mode: 2 x AAA batteries (without) 1 x Electronic Scoreboard 1 x Remote Control 1 x Supporting Plate 2 x Hook 1 x Power Adapter 1 x Power Cable 2 x Punching Free Wall Stud 6 x Screw 2 x Expansion Screw