Feature: 1. Score Counting: The 10 digit electronic scoreboard with red and green LEDs will largely simplify the scoring for your match and game. 2. Better Display: Able to display the current score of home and guest players, the winner, the current game and game status points. 3. Simple Scoring: The easy scoring suits perfectly for 2 win in 3 games, draw game, extra time race and more, ideal for various rules. 4. Remote Control: The remote control distance can get up to 30m, and the remote control enables repeated matching for easy replacement. 5. Practical Tool: The LED scoreboard can be wide used for training, match, competition and so on of basketball, soccer, tennis, etc. Specification: Item Type: Electronic Scoreboard Model: GA30B 10D4 tennis Material: ABS, aluminum alloy. Power Plug Input Voltage: 100-240V Product Power Supply: DC 5V or 3 x 18650 lithium ion battery, and the battery is not included. Required Power Supply: 2 x AAA dry battery, not included. Display Color: 5 red and 5 green. Brightness: 3000CD Control Method: 2.4g Remote Control Control Distance: Approx. 30m / 98.43ft Visible Distance: Approx. 21m / 68.9ft Sound: Buzzer Loudness: 90dB Character Height: 3in. Package List: 1 x Electronic Scoreboard1 x Remote Control1 x Data Cable1 x Adapter1 x Base2 x Hook2 x Hole Free Wall Nail6 x Screw2 x Wall Plug1 x User Manual