Q:What about "replacing the projector lights and cleaning the screen" on the screen?

That means that the aging of the projection lamp, or the screen is too dirty and the effect is not good, automatic detection ah, you can clean it again and again, but it is best to find a professional master yo,

Q:Who can tell me where to buy projection lights in Baoding?Thank you

Ming Hua computer cityThe Great Wall computer cityAnd there are places that sell photographic equipment

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:When I go shopping to buy, not on the Internet, and almost like this, but there is a sound, but I ask the lights to sell online, they say, without sound, when I bought the clerk tried to give me, the sound can be turned off T-T for help

One switch is to control the main lights and music, and the other is Lantern and rotation, that is, no music, but also lighting effect, then only turn

Q:The scientific projection lights of the adults should be assembled by themselves, but when they are glued to the lampshade, I wonder if the edges should be folded or folded inside. Fold outside feel bad, folding inside afraid of affecting the projection effect, such as a shadow, what. Ask for help ~!Not asking which face is outward. When you ask each surface to stick together, does that extra edge need to be folded inside or inside the ball?

The smooth side is outside. It's rough inside. Finally, fold it into a ball. Put the lamp holder in it and jam the hole.

Q:What is a projection light? What's the use?

The projection lamp is a use of light on the screen or wall lamp for projection screen, and movie similar principle;

Q:What is the relationship between the power of projection lamp and luminous flux and luminous efficiency?

Most of the time when the purchase of projection lamp products, will be asked to the power, and the size of lumen flux, because the power of different types are different, the lumen and the flux is also somewhat different, today for everyone on the photoelectric Luddy these data make a simple answer.

Q:Can projection lights connect to computers like projectors? What's the difference between projectors and projectors?.

For example, compared with the same power 250W projection lamp and projector, brightness up to 15 thousand lumens projection lamp 250W, the price of less than $4 thousand, while 250W only 6000 lumens projector, the price is better than ten thousand, and the projection lamp lights on 24 hours is not bad, the projector on 24 hours a month will be scrapped, obviously, on different occasions, practical difference is big, the price is a lot of difference. After the projection lamp is installed, put the pattern negative film on it, turn on the electricity, adjust the focal length, and then use it. The projector is only suitable for short time use every day.

Q:Abroad, there is no curtain can be logo rotary projection lamp called what light?

Zhengzhou Le Di Photoelectric Technology Co., Ltd is a technology oriented enterprise specializing in R & D, production, sales as one of the domestic and abroad, the main products for small and medium power LED projection lamp is suitable for indoor and outdoor advertising and halogen power projection lamp.

Q:What is a projection lamp?

Scope of application: utility range1., matching the original car lights; work with the original Auto Headlight2. H4 car headlamp market. Re-installation H4 headlightProduct parameter:Product parameterLight bulb type: 35W D2S/R xenon lampBulb, mode:, 35W, D2S/R, xenon, lightBulb color temperature: 6000KColor temperature: 6000KBulb life:Bulb life-span: = 3000hAngel power eye:Angel eyes power:3WAngel eye input voltage:Angel, eyes, Input, voltage:, 12VAngel eye life:Angel eyes Life - span: 25000hAngel eye color; blue (Optional Optional)Angel, eyes, color:, blue (alternative)