Radio-controlled clock with LCD display Atomic clock with PLL-synthesized tuner, 14 station presets and detachable triangle atomic clock receiver Super capacitor provides memory and alarm memories for up to 1 hour during a power disruption, eliminating the need for a battery backup Features sleep and nap timers and snooze function Humane wake system buzzer with adjustable alarm level This atomic clock radio features a wide viewing angle for easy reading from just about anywhere in your room and has a small footprint. The clock starts by connecting to the atomic clock in Boulder, Colorado to set the most accurate time keeping technology currently available. Once the signal is found, it will synchronize every hour. You can program the dual alarms to wake to your favorite AM or FM station or take advantage of the Humane Waking System that begins with a low volume beep and gradually increases in intensity to slowly wake you. You can select the days of the week you wish the alarms to wake you. Sangean's Super Capacitor provides memory and alarm memories for up to 1 hour during a power disruption, eliminating the need for a battery backup. The clock features a NAP function that can be set to wake you in 10 minute intervals up to 2 hours without re-setting the alarms. A handy sleep timer allows you to fall asleep listening to your favorite radio station from 15 minutes up to 2 hours. With the Aux-input you can connect your iPod or a CD player to enjoy your favorite Soothing Sounds CD or digital music collection to fall asleep.