ESH Smart, Simple and Silent LED Light-activated Sensor Bedside Digital Snooze Alarm Clock with Date and Temperature Display, Snooze Function, Sensor Light and Night Light (Black) Big and bold, you can see this alarm clock from a long distance. It features a 4.2"x2" large display and bright numbers. Large LCD displays time (12/24),calendar (MM/DD), temperature, alarm status (ON/OFF) . Clock doesn't light up in the day time or room is bright enough. When room's dark, sensor light enables clock to automatically give off soft lights, which is perfect at night; Sensor light can also be close, and please simply press SNOOZE/LIGHT when you're in need. Repeating snooze and ascending alarm. 4 Steps crescendo alarm, Ascending "BI BI" alarm for wake; Snooze repeats every 5 minutes. energy-saving and user-friendly; QuietCare to ensure a good sleep and best working environment.