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The device has a 7 inch touch screen that can be used as a photo frame, alarm clock, radio, and iPod dock. It has a 30 pin dock on the right side of the clock. Engadget knocked the limited codec support, but lauded the attractive design and low ($149.95) announced price tag.
The bed shaker attaches to the alarm clock with a 71-inch cord so you can easily place it under a mattress or pillow on either side of the bed. You can choose to wake up using just the alarm buzz ...
In the 2000s (decade) radio-based "atomic clocks" became common in retail stores; as of 2010 prices start at around US$15 in many countries. [22] Clocks may have other features such as indoor thermometers and weather station functionality. These use signals transmitted by the appropriate transmitter for the country in which they are to be used.
A mid-1940s alarm clock radio with AM radio stations only A typical 1980s clock radio featuring a digital clock/alarm and an analogue FM/MW/LW receiver. A clock radio is an alarm clock and radio receiver integrated in one device. [18] The clock may turn on the radio at a designated time to wake the user, and usually includes a buzzer alarm.
Digital clocks typically use the 50 or 60 hertz oscillation of AC power or a 32,768 hertz crystal oscillator as in a quartz clock to keep time. Most digital clocks display the hour of the day in 24-hour format; in the United States and a few other countries, a commonly used hour sequence option is 12-hour format (with some indication of AM or PM).
In addition to increased accuracy, the development of chip-scale atomic clocks has expanded the number of places atomic clocks can be used. In August 2004, NIST scientists demonstrated a chip-scale atomic clock that was 100 times smaller than an ordinary atomic clock and had a much smaller power consumption of 125 mW .
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