Portable Scoreboard: You can easily change scores by remote control from 60ft. Product size20*11*4.5cm, very easy to take around. The housing is made by aluminum alloy, which makes it portable and durable. Adjustable High Brightness and Volume: This ping pong scoreboard is equiped with a buzzer, which can make a sound while pressing on remote buttons, and the sound can be disabled. The brightness of the scoreboard is dimmable. The highest brightness can make you see scores from 30ft away around your game. Suitable for Many Indoor Games: Just as score fliper, this electronic digital scoreboard can be used for many indoor games, and for many ball matches like ping pong, volleyball, badminton, basketball, baseball, etc. You don't have to walk to the table to change your score. How to Power the Scoreboard: The electronic scoreboard needs to use 5V adapter to connect (Not equipped), but equipped with a 1.5m USB DC power cord. You just bring your own 5V mobile power supply for outdoor use. Plug the USB directly into your power bank and it can score your sport and game anytime. Mount Methold: The scoreboard comes with an installation tool that allows you to place the scoreboard on a table or floor, or mount it on a wall.