christmas star laser lights
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Who's the little buddy who knows what the projection lamp is?
- The projector can do it ~ I haven't heard of excessive type ~ software doesn't know ~!s
What materials do you need to make star projection lights?
- The utility model relates to an optical fiber lighting screen, and two computer projection lampss
Can projection lights connect to computers like projectors? What's the difference between projectors and projectors?.
- Because of the brightness and life of the restrictions, projectors are difficult to use in high brightness occasions, for example, we are running the company to open the projector, the window should be closed, and the projector does not exist in this situation.s
Why are some models of projection light bulbs so long and some light bulbs so short lived?.
- LED lamp and metal halide lamp distinguish LED and long service life, light utilization rate is high but not super powerThe use of metal halide lamp life than LED short but could be a big outdoor building dedicated powers
The assembly of four star projection lights?
- Taobao should have a method of assembly, and should have an explanation, although it is in Japanese, but the diagram should be easy to understand, it is recommended to find a folding web site to see what those dashed lines mean when assemblings
What is the relationship between the power of projection lamp and luminous flux and luminous efficiency?
- Start with a formula: light effect = total luminous flux / bulb power. From this formula, we can see that the higher the luminous efficiency is, the stronger the ability of the lighting equipment to convert electric energy into light energy, that is, the higher the light efficiency is, the more energy saving.At the same time, the above formula is deformed: total luminous flux = bulb power * luminous efficiency. That is, under the same power, the higher the light value, the greater the brightness.If some businesses only promote their projection lamp power is relatively large, but the light effect is relatively low, so the relative brightness is relatively small, which is why we have the same brightness power products from different manufacturers is not strengthConsistent cause. Therefore, customers in the purchase of recommended projector products, but also pay attention to light efficiency of this parameter.s
Where is the ocean projector that he sells to Zheng He in the Western Ocean?
- Take a look at the cultural markets around heres
What are the yellow, green, brown, and blue wires of the LED projection lamp?
- Ground wire; yellow belt green. A line of fire; brown. Zero line; blue.s
Cheap led downlights become more and more polular
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- The traffic lights, also known as, traffic lights. Traffic light is made up of red light, green light, yellow light. Red light says no thoroughfare, to green light, yellow light sa...
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- Truck strobe lights are available in 4 and 6 head kits. Kit includes lighted toggle switch, 4 bulbs, 2 - 20 ft cables and 2 25 ft cables.It can be used in engineering vehicles: Exc...