Q:How does the LED projector change the type of projection lamp that is visible on the ground?

LED projection lamp inside the word is processed by special process printed on the glass, and then projected through the LED lights, and if you need to change the words, you can also consult me.

Q: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 power

Q:Where can I find a Star Projector in Linyi?

I was in Linyi last year, the students gave me a birthday.

Q:Do you see the star light on the wall or the wall?I want to put it out in the open space on the outside, just like the effect of the fireworks. I stay in the sky. I don't know where there is such a star light. I can see the effect in the air

3PVC transparent film (film slide projector available instead). 4 markers. 5 star pictures.

Q:What is the projection distance of an advertisement projector?

Mainly related to environmental brightness because the light emitted by this projection lamp is definite, and there is no astigmatism and condensation problem. As long as you use the relative low brightness of the environment, you can clearly highlight the effect of projection lights!

Q:Or as long as second is the first waves a one I know is "sad or happy" beg the other two songs!

When I was young my father bought me a tortoise can be projected to the ceiling and wall form beautiful stars and the moon but it has four songs instead of three song if I'm not mistaken, there is a quiet piano like the other I do not remember much about the hope can help you

Q:Who understand the internal structure and principle is also hope to advise

Advertising projection lamp, namely new advertising products of a high efficiency, are to appear in the advertisement in the field, the replacement of the advertising pattern only needs to change the pattern, the pattern is reflected to the wall, the ground through the principle similar to the projection reflex advertising. The basic principle is as follows: advertisement pattern piece, advertisement projection lamp, negative reflection, LED light source reflection.

Q:Do you sell sky lights and sunshine collection bottles in Jilin?

Yes, but not too much. Why don't you go to Taobao?

Q:How much is the overhead projector at the entrance?

If it's an ordinary one with a memory card, more than 100 is OK; if you need an internal surveillance video device, five hundred to one thousand

Q:How do you choose projection (media) surface for outdoor projection advertisements?

Do outdoor projection advertising, choose Shanghai star Xun is your choice.