Q:The whiteboard projection light doesn't turn on, the alarm light and the power indicator red light at the same time

Your problem should be the bulb fault of the projector. Recommend you change the emperor's projector and electronic whiteboard, service life will be 2 to 3 times longer than the average length

Q:Is the projection bulb a cold light source, a light bulb or a high pressure mercury bulb?

The cold light source is good, and the mercury lamp is unstable.

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

She said that Check Point quickly adopted measures to activate the "kill switch" function in ransomware software to prevent the new virus from encrypting or infecting other computers.

Q:Where can I get the star projection lamp in Shanghai? It's better to get there on the subway

ShangHai Railway Station: the mall can go there to see a lot of thingsThere's Metro Line 1

Q:Where does Shanghai sell luminous projection lamp?

Make your best best publicity publicity can be anywhere in the projection image of high quality patterns and text, it can through the light in the form of businesses most new ideas, new promotions, new the product display is projected onto the wall and onto the floor, anywhere, and atmosphere with the site or season in these places a consistent pattern, to increase or strengthen the field effect, give people a new feeling of happiness or joy.

Q:Who would like to know the power parameters of this projection lamp?

The picture shows the computer should head light or shaking soft lights computer soft lightsPower is large or small. Here is an example.Voltage: 220V/50HzLight bulb: HMI 575WPower consumption: 800WControl signal: DMX512Control channel: 10CHSingle light air box size: 515 * 450 * 750mmDouble air box size: 840 x 530 x 950mmCarton size: 470 * 430 * 590mmNet weight: 29kgGross weight: 30.5kgNumber of motors: 9It featuresEight colors for high speed two-way rainbows and scrolling effects

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

he can in the wall, ground projection pattern you want to do advertising, decoration, warning etc.

Q:Are there any projection lights that can be used in major cities?

What do you mean by investing in big cities? Would you like to invest in the landmark buildings of major cities or a special scenic spot in major cities? Zhengzhou Le Di photoelectric is specializing in the production and development of projection lamps, specific issues can be further consultation.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 for indoor and outdoor high power projection lamp and metal halide.