Redlution Large LED Digital Wall Clock 3D Design Jumbo Larger Numbers Alarm with Full Function Remote Control, Calendar, Snooze, Alarm, Countdown, Thermometer

5.9 inches single digital, long-distance readable. It is very suitable for public place. High brightness and 8-level brightness adjustment, choose the best brightness by yourself Distance for the controller is 30 meters (without obstacles) Constant lighting is perfect for anywhere, especially airport, stadium, library, school ect. Whatever indoor or outdoor (Not Waterproof) Power by AC adapter and button cell(CR2032) backup what you have set and no need to reset time after the power renew