Ads
related to: cool projector lights for bedroom
Search results
Results From The WOW.Com Content Network
Illuminate your bedroom or dorm room with these string lights for a quaint and cozy lighting option. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...
The best thing about these projectors is that many of them give the magical effect of outdoor Christmas lights, without any of the hassle of untangling them, hanging them up or even taking them down.
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]
It's got four different light modes—50 percent amber, 100 percent amber, 50 percent warm white, and 100 percent warm white—to choose from depending on where they're at. Shop Now Amber Book ...