Friends who are just starting to come into contact with this industry must be confused: Who should I buy the water-installed outdoor large screen?

Last month, a man who runs a hotel complained to me and said that he had been comparing prices on Taobao for three months and asked 28 suppliers. As a result, the color blocks fell off after half a year after the installed screen - the repair fee alone was compensated for more than 70,000 yuan! This made me realize that​ ​Outdoor LED procurement is really a door technology job​​, just looking at the price will definitely fall into the pit.

Can't see the parameters? Remember these three sets of life-saving numbers

​​Q: What does P3 and P4 mean when the merchant is talking about? ​ ​
A: This is the pixel pitch, unit millimeters. ​ ​The smaller the number, the more delicate the picture​​, but the more expensive it is. In a tourist city like Jianshui, it is recommended to choose this:

• ​​Main road advertising screen​​: P6-P8 (sight distance of more than 20 meters is sufficient)
• ​​Commercial Plaza Large Screen​​: P4-P6 (considering both image quality and budget)
• ​​Scenic area display screen​​:P2.5-P3 (visitors will take photos from close range)

The key point is here! Don't believe the nonsense that "the smaller the pixel spacing, the better". Last year, the P2.5 screen was installed in an ancient town, but the brightness at night was too high and the residents complained about light pollution. In the end, the light shield had to be installed, which cost more than 100,000 yuan!

The trick in waterproof and dustproof grade

To be honest, Jianshui has a long rainy season and high humidity, so the screen protection performance is too critical. ​ ​IP65 is the bottom line of outdoor screens​​, but here are some considerations:

• True IP65: There is a silicone sealing ring + drain valve at the interface
• Fake IP65: Just apply a layer of waterproof glue (it can't last for two rainy seasons)

I will teach you a method of detecting soil: Use a high-pressure water gun to rush it against the splicing seam for 5 minutes, and if there is fog in the screen, you will directly return the product! Remember to bring the contract to write​ ​Three-year waterproof quality warranty​​, don't listen to verbal promises.

Text game in brightness parameters

Merchant logo​​7500cd/m²​​It may be the peak brightness, but the actual normal brightness may be only 5000! In places like Jianshui where the sun is strong, it is recommended:

• Select ≥6000cd/m² on the east-west screen
• Select ≥4500cd/m² from north to south
• Models with smart photosensitive systems can save 30% of electricity bills

Let me give you a negative textbook: The screen installed in a scenic spot last year was so difficult to see the picture clearly on sunny afternoons. Later, I was forced to install a sunshade, turning modern technology into greenhouse planting!

Installation plan comparison table

Do you understand this table? ​ ​Don't save on early investment​​, the water is full of acid rain, and the cheap steel plate plan will have to be rusted in two years!

Hidden cost of after-sales service

This is easiest for beginners to ignore:

• Response speed: Pass directly after 4 hours of failure
• Spare parts inventory: Suppliers are required to have warehouses within 300 kilometers of water construction
• Software Upgrade: Ask if you want an extra fee

Last year, the big screen was blacked out on the eve of the New Year's Eve event in a shopping mall last year. As a result, the supplier was in the provincial capital and arrived the next afternoon, directly losing more than 300,000 passenger flow!

Real case: How fragrant is it to choose the right plan?

The curved screen installed in a scenic spot in Southeast Asia for the past year is chosen.​​Quickly disassemble the box + intelligent brightness adjustment​​plan. Guess what happened?

• Runs as usual in the rainy season, with zero failures in three years
• Save 40% of electricity bills than traditional screens
• Automatically dimmed at night, never complained of light pollution

What does this mean? ​ ​Good plans can make money continuously​​, not just equipment procurement.

Personal opinion

In the special climate environment like Jianshui, you have to find an outdoor screen.​​A knowledgeable technology streaming supplier​​. Don’t just look at the size of the manufacturer, focus on:

1. Are there any local success stories (go directly to the site to see the results)
2. Have the engineers participated in similar projects (if you ask a few technical details, it will be revealed)
3. Do you dare to sign a bet agreement (such as compensation for power generation during the warranty period)

Recently, I discovered a strange phenomenon: some suppliers have an outrageously low quotations, but they have used recycling lamp beads to renovate. This kind of screen is just starting to brighten, and you can play "elimination music" in half a year - there is one piece in the east and one piece in the west! So, buying outdoor screens really corresponds to the old saying: If you buy them, you don’t have the best selling skills. The key is to find someone real!

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