LED Referee Substitution Board for Football, High Brightness, Data Auto-Save After Power Failure, Essential Match Equipment for Coaches and Officials

Details

• LED Display: Experience exceptional visibility with a high-brightness large-screen LCD and vibrant red/green LED indicators. This ensures a clear visual effect in various lighting conditions, making it ideal for both daytime and nighttime use, enhancing your viewing experience during sports events.
• Rechargeable Long-lasting Battery: Equipped with a reliable built-in polymer battery, this device charges in just 3 hours and provides over 5 hours of uninterrupted usage under normal conditions. This ensures you stay engaged during extended activities without needing frequent recharges.
• Portable & Football Rule Compliance: Designed with a moderate size for easy transport, this device is flexible to use and convenient to store, adhering to official football game rules. Its portable nature makes it perfect for coaches, players, and fans alike who are on the go.
• High Brightness & Low Power: With an impressive brightness level ensuring visibility up to 120m outdoors, this device operates efficiently with low power consumption. It boasts a long service life while retaining data visibility even after a power interruption, ensuring reliability during critical moments.
• Multi-scene Applicable: This display is perfect for various environments, including indoor, semi-outdoor, and outdoor settings. However, please keep it away from water sources to prevent potential damage, offering versatility for sports events, training sessions, and other activities.