Q:Which led projection lamp is better? Ask for an introduction

In the projection products industry, especially high-tech LED projection lamp and high-power outdoor projection lamp field, Le Di photoelectric will be your reliable and powerful partner. We not only provide customers with full service from product selection, installation, training and customer service tracking, but also provide a private customized services for customers from all over the world, to meet the individual needs of different customers. Le Di photoelectric projection, creative advertising, science and technology and art interpretation!

Q:LED advertising projection lamp which has production? Usually, which would be better to choose which one to buy?

Buy Hongkong Wei Wei electronic technology LED advertising projection lamp, will feel better. The house is so light efficient that it really feels convenient to use it. To buy such a product, choose this one directly.

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:Why is the projector still bright after the Harvard H6 sports car locks?

At the same time and suggestions can consult the 4S shop projection lamp manufacturers

Q:Homemade revolving color diamond, sky projection lamp, process video

projection advertising takes pattern piece cost low cost, save huge space to set the screen production, greatly reduces the cost of advertising projection lamp installation is simple and quick, wind rain outdoor machine, no personal care Save trouble and effort, so it is both environmental protection and energy saving advertising

Q:What is the wattage of a projection lamp?

We not only provide customers with full service from product selection, installation, training and customer service tracking, but also provide a private customized services for customers from all over the world, to meet the individual needs of different customers.Le Di photoelectric projection, creative advertising, science and technology and art interpretation!

Q:Net distance of 3.8 meters (projection lamp to screen cloth) ordinary projector can maximum how many inches 16:9 screen?

Projectors are divided into DLP and 3LCD, 3LCD color run, DLP color sharp. That's what it used to be, and the color of the DLP is pretty good now. The biggest advantage of DLP projectors is long life and durability. Disadvantages can be rainbow eyed, although the probability is very low, but if you're a rainbow eye, you're wasting your time.

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

Depends on the specific requirements, there are tens of dollars, there are hundreds or even thousands of dollars.

Q:Can you tell me how to judge the quality of LED projector?

LED washing wall lamp quality is good or bad, Crystal Valley lighting recommend you can refer to the following points to judge, thank you!1, structure and function? connect the box with the left and right side cover flat, the gap between the two is not greater than 0.6mm? the box and the track are well assembled. The spacing of the conductive plate meets the requirements and is in good contact with the track conductive strip? electric box and rail installation; plastic and conductive sheets without scratch and deformation; and normal conduction.? pull up the U frame positioning slider, the lamp body can rotate around the U frame up and down 90 degrees. After positioning, pull down the positioning slider, the lamp can stay in any position, and the positioning is accurate and firmThree - oblique cylinder by clip is fixed on the lamp tube mouth, compact and firm.? silicon sleeve shall not be out of the hollow pill, the net cover of the back net is stuck to the silicon sleeve and the outlet, so as to effectively prevent pulling

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

Generally large commercial buildings, office buildings and residential buildings on the side of the more appropriate. But the projection wall near perfect is a goodly, many of the seemingly perfect projection wall because there are several rows of windows to add some defects to the projection effect, window area proportion has no effect on the advertising effect, if the window area accounted for the projected area of the half or more, so the window need to paste single hole reflection film to fill this piece of the light, the window film requires a certain amount of labor and cost, also need to ease the relationship with the customers, so there is no need to patch it? The entire floor area, a large area of projection can make the screen color drop down, so do not consider the film, then the choice of the projection surface must be large.