Q:Why are some models of projection light bulbs so long and some light bulbs so short lived?.

The use of metal halide lamp life than LED short but could be a big outdoor building dedicated power

Q:What is a projection light?

The projection lamp is a use of light on the screen or wall lamp for projection screen, and movie similar principle; he can in the wall, ground projection pattern you want to do advertising, decoration, warning etc.

Q:How to distinguish the true and false of projection light bulb?

3, check the cup mouth glue, authentic bulbs use authentic recipe, with matte glue, suffused with soft luster. This glue, this one does not have a semicolon, so no matter how imitation can not be exactly the same, careful comparison will be able to see the color difference, color difference is obvious.4, check the two cup wall, will find the fake wall with the reddish color and luster, no lubrication minor scratches, and genuine luster fine white wall. This is because the projector lamp what can be replaced, but can not because the cup, cup production process is complex, and the mold superb production process, in addition to the original factory who can't fake imitation, but also the transformation based on the original old lamp on. The used cup wall can not avoid the red eye, as long as it can let him enough, appeared fake.

Q:What are the advantages of outdoor projection lights?

Compared with the ordinary outdoor advertising, projection advertising has the following obvious features:1, environmental protection, safety, can overcome the common projection advertising billboards and light boxes with large power consumption, easy to fade, easy to be damaged, with pollution limitation; the use of optical imaging principle, low power consumption, light weight, no damage to the floor, the ground, does not affect the overall planning and site environment, without any pollution. Strong wind.2, novel, fashion: Interpretation of advertising content with lighting, both in the international and domestic are the first, Jiangsu, Zhejiang, Shanghai, Nanjing, Hebei, Shangqiu, Henan, Beijing, Shandong and so on, have very successful cases.3, flexible and efficient delivery: projection advertising can be released within a few minutes advertising screen or change the content of advertising; equipment once put into use many times, this feature is easy for seasonal promotion.

Q:How does the projector light the picture?

Its high arrival rate characteristics, as well as new special media forms, dynamic visual effects, can very well attract the attention of consumers.

Q:Adult science, starry sky projector, install the light bulb is not bright

It is a simple circuit with a multimeter measure circuit, switch, lamp bulb, batteries

Q:it is necessary to tear off the outer protective film, how to tear it? You can't see it. It's annoying!

Yes, there's a plastic film. It's easy. Take a film on the edge, all torn down.

Q:What is the angular speed of the projection light of LED?

Check Point researcher Maya Horowitz (Maya Horowitz) said that the new virus infected computer speed reached "about one per second.".

Q:The most famous manufacturer of projection lamps

Its color recovery performance is good, can bring a good user experience, try to understand.

Q:Can the projection lamp be recycled?

Yes, now a single 30W above high-power white light LED in 2000 lumens or more, color temperature 3000-7000K, fully meet the requirements of projector light source. I just didn't know the control method of the main control circuit and the lighting circuit, otherwise I would have changed it.