1.Portable, low power <55W 2.In line with European ETSI 3.AC90 to 240V 4.Used for multisport games 5.Wireless remote control Indoor& Outdoor sports scoreboard*Setting the wireless module with 900M*Wireless control distance: Over 300 meter.*Will be used in all kindly of sports, such as basketball ,table tennis, wrestling,etc. have the countdown function, show the score, the time for the audience.* ...