16.5" Large Digital Wall Clock for Classroom, Sync Screen RGB Backlight | 11 Screen Colors, 13 U-Shaped RGB Modes, Temp Humidity, Auto DST, Dual Alarm, Timer, Digital Clock for Gym Gaming Room

16.5" Large Digital Wall Clock for Classroom, Sync Screen RGB Backlight | 11 Screen Colors, 13 U-Shaped RGB Modes, Temp Humidity, Auto DST, Dual Alarm, Timer, Digital Clock for Gym Gaming Room