Have you encountered this situation? I wanted to install a wall-mounted LED screen for the company, but after checking it online - good guy! The parameters make people feel hurt, and the prices range from thousands to hundreds of thousands. Where should I buy it? How to choose so as not to get stuck? Today we will break it apart and talk about this.

(Pause and think) Let’s talk about a real case first. Last year, there was a supermarket chain owner who bought a wall-mounted screen on an e-commerce platform for cheap photos. As a result, the screen was equipped with less than three months, and the repair cost was twice as expensive as buying the screen. So,​ ​Buying a screen is easy to maintain and it is difficult to maintain.​​, choosing the right channel and product is too important...

​​1. Understand your usage scenario​​
Buying a wall-mounted screen is like buying clothes, you have to look at the occasion first. for example:

• ​​Shopping mall atrium​​: Choose a brightness of 4000cd/m² or the reflection during the day will not be visible clearly.
• ​​Conference Room​​: Small-pitch screens below P1.5 are delicate enough, and the text on the table is eye-catching.
• ​​Restaurants​​: It must be equipped with an oil-resistant coating, and the kitchen fume will not corrode the lamp beads
• ​​Exhibition Hall​​: The transparent screen with a 86% transmissibility is the most suitable, which can display content without blocking the exhibits

(Suddenly remember a detail) Pay attention! Many novices ignore load-bearing issues. Last year, a large screen was installed in a gym. Because the wall was not reinforced, it fell down after half a year with the screen and wall skin. So before installation​ ​It is necessary to confirm that the wall load bearing ≥ 1.5 times the screen weight​​。

​​2. These parameters must be blocked​​

1. ​​Refresh rate ≥1920Hz​​: There will be a drag video below this number, and the PPT project in the conference room is particularly obvious
2. ​​Intelligent brightness adjustment​​: With ambient light sensing, it can automatically adapt to 800-1200cd/m² (indoor) or 4000-7500cd/m² (outdoor)
3. ​​Heat dissipation design​​: If the back temperature of the prototype is above 60℃, don't consider it - the lifespan is absolutely short
4. ​​Splicing gap​​: Take a business card to test, give up if it can be stuffed more than 1.5mm

(Knock on the blackboard) The key point is here! Now some businesses will sell indoor screens as outdoor screens. I will teach you a tip for inspection: use slow motion mode of your phone to shoot the screen and you can see the flashing pass. A truly qualified outdoor screen, playing 4K videos under the sun is as stable as an old dog.

​​3. Procurement channels are hidden​​

1. ​​Direct supply from the manufacturer​​: Suitable for large-scale procurement (starting from 50㎡), price can be cut by 15%-20%
2. ​​System Integrator​​: Provides a full range of services from wiring to installation, but may increase the price by 30% in the middle
3. ​​E-commerce platform​​: It seems cheap but it is actually deep. Last year, the industry randomly checked 38% of online screen sales parameters

(Say a chestnut) A chain of hotels purchased 80 yuan in conference screens through direct purchases by the manufacturer last year. Because of batch purchase + installment payment, the overall cost is 25% lower than the market price. The key is​ ​The contract contains the 3-year warranty of the beads​​, zero failures in two years.

​​4. Don’t be careless in installation and maintenance​​
▼ Three elements of installation:

• The wall must be solid concrete or steel structure
• Reserve 10cm of heat dissipation space
• The power supply line is separately wired (don't share the circuit with the air conditioner)

▼ Four maintenance songs:

1. Turn on the machine at least 4 hours a week to prevent moisture (the dehumidifier must be equipped in the south)
2. Use a soft brush to clean up dust every month
3. Report the repair in time if the bad points are found (the rate of bad points exceeding 0.3‰ can be requested to replace them)
4. System software quarterly upgrade (many black screen failures are system bugs)

(Suddenly I thought) Last month, a customer was greedy for cheapness and did not buy maintenance services. As a result, the circuit board was damp during the rainy season, and the repair fee was enough to buy half a new screen. So say​ ​Buying a screen is just the beginning, follow-up service is the key​​。

Finally, let’s say heartfelt words: Don’t just look at the price when buying a wall-mounted LED screen. Product stability of manufacturers that dare to promise a 5-year warranty and provide 24-hour technical support will definitely stand the test. After all, no one wants to save money on buying screens, but they will have to spend more repairs in the future, right? Next time I go to the manufacturer for inspection, remember to focus on their automated production lines - factories with a monthly production capacity of over 10,000 square meters, and quality control is usually not bad.

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