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digital alarm clocks have copper but analog clocks depend on who made it
Analogue Alarm Clock.
Information on digital alarm clocks can be found on multiple websites that sell them including Amazon, Ebay, Walmart, Target, Best Buy, and many many others.
The first digital alarm clock was invented in 1956 by D.E. Protzmann, an engineer at General Electric. This alarm clock featured a digital display and the ability to set specific alarm times, setting the foundation for modern digital alarm clocks.
Pink alarm clocks can be purchased at many locations. Stores such as Best Buy and Walmart carry pink alarm clocks. Online options are many and varied with companies such as Amazon selling many varieties of pink alarm clocks.
8.7% or people use their cell phones as alarm clocks.
Brookstone sells self-setting alarm clocks, self-setting alarm clocks with radios, and LCD display alarm clocks with larger numbers. They also sell innovative alarm clocks such as the Tocky Rolling Alarm Clock.
There are many different companies that manufacture vibrating alarm clocks. Companies such as Sonic Boom and Shake-N-Wake specialize in vibrating alarm clocks and can be purchased on Amazon.
A digital alarm clock can be bought at many retails stores like BestBuy. It is also available online in eBay, Amazon etc. It is available at Walmart, Target, JCPenny etc.
Plastic alarm clocks are made of plastic.
There are many alarms clocks that make a 'bleep' sound when the alarm is activated. One such alarm clock is the Casio Compact Battery LED Beep Sound Alarm Clock.
Alarm clocks are useful to keep people on track. Uses for alarm clocks or timers - waking up people, used for cooking.