Digital Alarm Clock with Sensor Light, Date Temperature Display, Snooze Led Travel Alarm Clock, Desk Clock - by O-Best (Black) Bigger Led Screen Display: Nice large digital numbers display time(12 Hr/24 Hr), temperature(/), date, day, alarm time with clear and comfortable sense Smart Sensor Light: Built in Light Sensor, LCD back light turns on autocratically when the room or circumstance becomes dark, and dont worry, this also wont disturb your sleep Alarm Sound Stronger Gradually: Ascending "beeping" alarm for softly wake; snooze repeats every 5 minutes (Press the Snooze button) User Friendly Design Easy setting, adjustable time and date format,circumstance temperature monitoring function Battery Operated Alarm Clock: Energy-saving design, without thinking about power goes out and wires, it can be placed whatever room you need, perfect for travel and bedside use.(3*AAA 1.5V batteries not included)