LED Football Referee Substitution Board, Single-Sided Football Match Equipment,High Brightness/Work，Continuously for 5 Hours

Specifications:Packaging size: 55.5 * 26 * 5cmPackaging quality: 1.9kgPackage includes:LED Football Referee Substitution Board * 1Kind Reminder:1. Please allow for slight dimensional errors caused by manual measurement2.Due to differences between monitors, the actual color may differ slightly from the image. Thank you for your understanding3. If you have any questions, please feel free to contact us and we will provide you with the best solution

• 1. Ultra-Clear 120-Meter Visibility Display：Equipped with a high-brightness large-screen LCD that remains clearly visible from up to 120 meters outdoors, featuring dual-color red/green LED indicators for instant status recognition in any lighting condition.
• 2. Long-Lasting Polymer Battery System：Powered by a built-in safety-rated polymer lithium battery that provides over 5 hours of continuous operation on a full 3-hour charge. Designed for reliable performance through multiple matches or training sessions.
• 3. Energy-Efficient Operation with Data Protection：Combines high luminosity with low power consumption for extended LED lifespan. Critical feature: All saved data remains accessible after power cycling, ensuring no loss of information during unexpected power interruptions.
• 4. Compact Portable Design with Official Compliance：Engineered with moderate dimensions for flexible court-side use and convenient storage. Fully complies with football regulations, making it suitable for official matches, training sessions, and recreational games.
• 5. Multi-Environment Durability (Water-Resistant)：Rated for reliable performance in indoor, semi-outdoor, and full outdoor conditions. Note: While weather-resistant, the device is not submersible and should be protected from direct water exposure.