LED Football Referee Substitution Board, Football Match Equipment, Injury Time Display Electronic Boards Change Player Soccer, 60cm Waterproof, Built-in Battery

• Widely used in football matches to remind substitute athletes or injury stoppage time.
• Built-in safety polymer lithium battery; rechargeable; need to be fully charged in 3 hours and work for more than 3 hours; according to the normal frequency, a full charge can be used for more than 12 times in a football game
• It can be red and green when used outdoors, with high brightness. It can be seen directly in the sun.
• We have 3 standard sizes, 60/70/82cm to choose from, with high safety performance and light weight
• Suitable for indoor, semi-outdoor and outdoor use; pure aluminum frame structure, can work normally in rainy days, but not in water

Product Name: LED Stadium Substitution Sign Carrying method: portable Brightness: outdoor highlight Function: number display/injury stop time/score Use environment: -40°C to 60°C available in rainy days Control method: manual button Display color: red + green Display: Single-sided 4-digit two-color Frame color: black Power supply mode: lithium battery Frame material: aluminum alloy Working hours: 3 hours continuous display Scope of application: indoor/semi-outdoor/outdoor (not soaked in water) Product Size: 60*26*3.8cm, net weight 2.72kg 70*31*3.8cm, net weight 3.6kg 82*36*3.8cm, net weight 4.63kg