Feature: Portable electronic scoreboard: exquisite aluminum alloy frame, light and reliable, durable. Controlled by the remote control, the control distance is 40 feet (approximately 12.2 meters), easy to operate, brightness adjustment, buzzer sound. Support 5 different brightness adjustment. Controlled by IR remote, It's easy to operate scores,adjust brightness,give a buzzer sound.(Need AAA battery,Not INCLUDED) Installation method and power supply: including a wall-mounted bracket. You can also use it to hang the scoreboard. Just put it on the table. In addition to plugging in an outlet, you can also use a mobile power supply to provide a scoreboard. Suitable for many games: scoreboard are widely used in basketball , football, ,tennis,baseball.badminton,weightlifting, boxing,ect. Timer workout timer great for your workout time management. Specification: Material: Aluminum alloy + ABS Size Chart: Size: 22x12x4cm/8.66x1.57.72x4inch Package Includes: 1 Piece Digital Scoreboard 1 Piece Power cord 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!