Score range 1 to 99 for keeping track of points during indoor games, with clear visibility 5 level brightness adjustment and remote control with up to 30 ft (approximately 9 m) range, allowing easy score display under different lighting conditions USB powered with power bank compatibility, so you can light the scoreboard without a fixed outlet whenever needed Aluminum alloy housing provides durability and longterm use; operating temperature range is 100 to 160 Fahrenheit, enabling operation in a wide variety of environments Portable and versatile mounting options: back has hanging holes for wall mounting with screws, or place it on a table for easy setup Red and green color design helps quickly distinguish home and guest scores at a glance Use scenarios Indoor sports and events such as basketball, volleyball, badminton, or table tennis in gymnasiums, recreation centers, or school facilities Home or backyard game nights where portable scorekeeping is convenient and visibility is important Youth leagues, clubs, and community tournaments that require a compact, quickly deployable scoreboard with flexible power options