Ambient Weather RC-8300 Atomic Travel Compact Alarm Clock with Auto Night Light Feature The Ambient Weather Travel Alarm Clock with Auto Night Light Feature is very compact (2.5 x 2.5 x 1.0") but large on features. Equipped with an atomic clock, time is set automatically via radio and in synch with the U.S. atomic clock for utmost accuracy and automatically sets adjusts for daylight savings time. The alarm clock features an automatic backlight display which activates in low light settings. The screen displays time, alarm time, time zone, month, date, day of week, indoor temperature and radio controlled clock reception strength icon. The clock also features an alarm switch, snooze button, and temperature units of measure switch.