Converting a watch to a projection clock. UPDATED RANKING Disclaimer: These choices may be out of date. You need to go to wiki.ezvid.com to see the mo. Projection Digital Alarm Clock for Bedrooms,Loud Alarm Clock for Heavy Sleeper,Digital Clock with Projection on Ceiling,7'Large Digtal LED Display&Dimmer, USB Charger,Dual Alarms,12/24H DST 4.3 out of 5 stars 1,259. Time Projection. This clock radio projects the time onto the wall or ceiling. With adjustable projection angle and focus control, get the time image exactly where you.
A projection clock (also called ceiling clock) is an analog or digital clock equipped with a projector that creates an enlarged image of the clock face or display on any surface usable as a projection screen, most often the ceiling.[1]
The clock can be placed almost anywhere, if only the projected image must be seen. The image generated by most projection clocks is large enough that a nearsighted person can see it from a distance without glasses or contact lenses. Clocks usually have a conventional display on their body, in addition to the projector,
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Projection clocks are also used in advertising and merchandising. High-brightness analog projection clocks can superimpose a business' logo on top of the clock face, while there are low-brightness projection clocks designed for home use that project for example a logo in addition to the time.
Some projection clocks are radio-controlled, synchronising with a broadcast time standard and always displaying the right time without the need to set them. They may also display other information such as temperature and humidity.
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