Want to increase the store’s customer flow but can’t find a suitable display equipment? The newly entered the industry event planning is always despised by the Party A for poor visual effects? These days, even community supermarkets know to attract attention with dynamic screens. But there are a variety of LED products on the market, how should novices choose so as not to get stuck? Today we broke it apart and broke it up and talk about this problem that has caused many people a headache.

​​1. Don’t be fooled by key indicators​​
Novice are most likely to be misleading by sales rhetoric. Last month, a friend who runs a milk tea shop complained to me that the screen I bought for 30,000 yuan could not be seen clearly during the day. Later I learned that the problem lies in the brightness - the brightness of the indoor screen he chose was only 600cd/m², but the sun shone directly at the window and the picture was completely blurred.

The key points must be drawn here:

• ​​The brightness value must follow the environment​​: The window position is recommended to be ≥1200cd/m², and the backlight area is 800cd/m² enough.
• ​​Don't make up for refresh rate​​: At least 1920Hz for dynamic text display, otherwise the video will be full of water ripples
• ​​Module splicing seams​​: The screen gap of the display counter should be ≤0.5mm, otherwise it will look like a patch from a distance.

There is a case of a clothing store owner that is very interesting. He installed a scroll screen with intelligent sensing in the fitting area, which automatically lights up to 1200cd/m² when the light is strong, and saves electricity during the passenger flow trough period. In three months, the electricity bills were saved by 30%, and the customer's fitting and photo shooting rate increased by 45%. This means​ ​Dynamic adjustment technology​​Really practical.

​​2. How to meet special needs​​
Last week, I encountered a problem when I helped the gym owner choose equipment: they had to install screens on curved columns, but ordinary tablets couldn't stick to them. Later, a solution was found to support surface customization, with the 15° radian error being controlled within 0.2 mm, which only took 72 hours from design to installation.

Here are some practical suggestions:

1. Special-shaped structure measurement ruler: Prepare on-site 3D scanning diagram in advance
2. The control system must be flexible: able to play videos + scroll text at the same time
3. Leave room for maintenance channels: Don't seal the maintenance port for the sake of beauty

There is a lesson from a catering chain that deserves vigilance. They installed fixed-size display screens in 20 branches. As a result, three months later, the headquarters had to change the menu format and found that the screen ratio was incorrect. I knew I'd choose​ ​Modular design​​Now, it will cost more than 100,000 yuan to dismantle and modify the products.

​​3. Service guarantee hides the way​​
Last year, I helped my friend watch a project. The color blocks fell off on the third day after the screen was installed. I contacted the supplier and said I would wait for the engineer to go on a business trip next week, but I was fined a penalty for liquidated damages by the mall. Later I found out that the other party had no technical team at all.

A reliable service system should include:

• ​​Quick response mechanism​​: Solution for failure within 2 hours
• ​​Remote diagnostic system​​: 70% of software problems can be solved online
• ​​Spare Parts Library Coverage​​: Commonly used modules reserve at least 20% of the stock

There is a wedding company that is very smart. When purchasing, they specifically asked the supplier to stock 5% of the spare modules in the local warehouse. Once, the customer temporarily changed the content on the eve of the event, and changed the display template overnight, so they didn't have to wait for the manufacturer to send people.

​​4. Light and dark rules of procurement channels​​
People often ask if buying online is cheaper? I know the purchasing manager of a home appliance store made a comparison: the P2.5 screen with the same configuration is 15% more expensive in offline channels, but it includes three years of on-site maintenance. ； Although the online price is low, installation and debugging are charged an additional fee.

Here is a comparison list for reference:

A boss who does wholesale electronic products shared his experience with me: he directly found the manufacturer through industry exhibitions, saved the price difference between middlemen, and expanded the screen size by 40% under the same budget. But the premise is that there must be quantity - a single order starts at least 500 square meters.

Now let’s go back to the original question: Where should I buy it? The editor thinks the key is to look at the complexity of the usage scenario. For regular needs, choose regular channels with local service points, and special customizations are directly connected to R&D manufacturers. Don’t forget to look at the production workshop - the manufacturer that allows you to visit the production line, quality control is usually more reliable. Next time I see those sales that are boasting, remember to ask them about actual engineering case videos within three months. This trick can screen out 80% of the fooling players.

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