School Smart LED Clock with Remote Control, High Visibility, 7 x 13 Inches The School Smart LED clock has 4 inch high digits, displays calendar and temperature, and has a remote control for your convenience. AC power adapter and a battery backup that requires 3 AAA batteries (not included). Dual-buzzer alarm with a 9-minute snooze control. Measures 7 x 13 x 1-3/4 inches. Brightness and size of digits make for easy readability Provides an optimal display for classroom or office settings Features a convenient remote control Displays temperature and calendars for daily updates Created with high quality materials for years of use