Electronic Scoreboard with Remote Control 10-Digit Professional Tennis Scoreboard Lightweight and Portable LED Ultra-Long Standby for Tennis Events and Training This scoreboard features a slim design and comes with a wireless remote control for easy operation. The LED display is clear and visible. It is battery-powered and has a long standby time. Suitable for tennis events and training. Features: Slim design for easy carrying and installation. Equipped with a wireless remote control for easy operation. LED display, clear and visible, day or night. Battery-powered, long standby time, no need to frequently replace batteries. Designed specifically for tennis events and training to meet professional needs. Specifications: Material: Profile Frame + ABS Corner  Color: Black  Display Color: 5 Red 5 Green  Brightness: 3000CD  Control Method: 2.4G Remote Control  Control Distance: 30 meters  Visible Distance: 21 meters  Sound Buzzer Loudness: 90dB  Power Interface and Voltage: Type-C USB Cable, 5V/2A Charging  Power: 7.5W Charging Current: 1.5A Battery  Power Supply Power: 1.9W Battery  Power Supply Current: 0.5A  Battery Voltage: 3.7V  Battery Type: lithium battery (3 sections, 2500mAh/section) Dimensions: 37.5cm/14.8in x 25cm/9.8in x 2.3cm/0.9in Character Height: 3inch P Weight: 1060g/2.3lbs  Weight with 3 lithium battery Batteries: 1200g/2.6lbs  Package List:  1x Scoreboard 1x Remote Control 1x Type-C Interface Charger 1x Vertical Component 1x Hanging Component 1x Instruction Manual