Feature 1LIGHTWEIGHT AND PORTABLE: Lightweight design for easy transportation. Recommended for indoor use, very practical 2SUITABLE FOR SPORTS: Indoor tabletop electronic scoreboard can be used for basketball, wrestling, volleyball, boxing, etc. 3MULTIPLE MODES: Including period, bonus, and ownership metrics. Features training, exercise and circuit timer modes 411 DIGIT DISPLAY: Yellow, red and green LED displays are 11 digit. The scoreboard has a loud built in speaker 5WITH FITTINGS: Equipped with remote control, bracket, hook, screw, easy for you to install and use, complete accessories guarantees convenient operationItem Type: Indoor Tabletop Electronic ScoreboardModel: GA30BPlug Input Voltage: 100-240VPlug Output Voltage: DC 5VScoreboard Power Supply: DC 5V or 3 x Li ion 18650 batteries(not include)Remote Control Power Supply: 2 x AAA batteries(not include)Score Board Display: 1. Single game time, timing mode countdown, can be edited. If the value is greater than 1 minute, the value is displayed in (minute: second) format. If the value is less than 1 minute, the value is displayed in (second: millisecond) format.2. Show the number of match sections, from 1 to 5.3. HOME score and GUEST score display, showing a maximum of 199.4. Direction of attack arrow display. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Scoreboard1 x Remote Control1 x Power Supply Plug1 x Power Supply Line1 x Bracket2 x Hook2 x Punch Free Hook6 x Screw2 x Expansion ScrewNoteIndoor use, not waterproof.