Hey, a little girl who runs a milk tea shop asked me two days ago: "I want to install a mini advertising screen behind the cashier. Who should I buy it from?" "This makes me laugh - now even milk tea shops are using LED screens to attract business? But having said that, there are really many ways to do this small advertising screen. Let’s explain it clearly today.

First figure out what you want

Don't just hear "small" and think they are all the same. We have to distinguish clearly first:

• ​​Palm-sized​ ​(30x50cm): suitable for milk tea shop menus and barber shop price lists
• ​​Medium wall-mounted model​ ​(1x2m): Convenience store promotion, gym class schedule
• ​​Special-shaped creative models​ ​: For example, heart-shaped and round shapes, which are great tools for creating atmosphere in coffee shops.

A friend who owns a pet store encountered a problem and bought a square screen to display cat videos. However, the screen failed to fit properly on the curved wall, so it could only be used as a blackboard. So,​ ​Measure the size first and then pay​ ​, this is absolutely true.

Don’t just look at numbers for parameters

The "high brightness" and "ultra high definition" that businesses love to brag about are very watery here:

• ​​true brightness​ ​: 800cd/m² indoors is enough, don’t believe those who claim 2000cd/m² - your home is not a studio
• ​​Refresh rate ≥1920Hz​ ​: The bottom line for shooting videos without screen flickering. Hold your phone to the screen and shoot a slow-motion segment to instantly reveal the original shape.
• ​​Viewing angle ≥160°​ ​: You have to stand in front of the store and look at it sideways. Convenience store owners know this best.

There was a case of a hot pot restaurant last month: the owner was greedy for cheap and bought a low-refresh screen. As a result, the dish videos shot on Douyin were all rippled. Isn’t this a waste of money spent on inviting Internet celebrities to eat?

How to choose between offline and online

Nowadays, there are various purchasing channels, here are a few practical ones:

1. ​​Factory direct sales​ ​: It is recommended to give priority, especially if you want to make customized models.
2. ​​E-commerce platform​ ​: Suitable for standard sizes, but need to confirm support for 7 days without reason
3. ​​Exhibition procurement​ ​: You can see the effect on site, but be careful that the exhibits are different from mass-produced products.

Here comes the point——​ ​Look at the scale of the production base​ ​! Manufacturers with a monthly production capacity of more than 10,000 square meters have better quality control than small workshops. I heard that there is a Shenzhen company that supplies products to Japan and South Korea. Even the screws in the workshop have exclusive QR codes. This is called reliable.

How deep is the price

Let me give you a sneak peek (taking the 50x80cm regular model as an example):

• Low-end version: 2,000-3,000 yuan (suitable for short-term activities)
• Practical model: 4,000-6,000 yuan (with intelligent temperature control and wireless screen projection)
• High-end goods: 8,000 yuan + (special shape or waterproof and dustproof requirements)

Don’t just look at the sticker price! A sister who owns a beauty salon told me that the screen she bought looked cheap, but when she installed it, she found that she had to buy another 3,000 yuan controller. This trick is hard to guard against.

After-sales service is the magic mirror

Remember these key points:

• ​​24 hours response​ ​It's not a decoration. Only those who can get through to the technician at three o'clock in the morning count.
• ​​Don’t just look at the warranty period​ ​, ask clearly if door-to-door repairs are included.
• ​​Software upgrade service​ ​: Many screens now have smart systems that need to be continuously updated.

Let me tell you a true story: There was a bakery whose touch screen failed after half a year of use. As a result, the manufacturer fixed the system bug remotely in ten minutes. This kind of service is called worry-free.

The editor has a few words to say

When visiting shopping malls, pay more attention to the screens of milk tea shops and nail salons to see if the displays at noon are clear and whether the heat dissipation vents are hot to the touch. If you see a screen that has been on normally for three months, go directly to the store and ask for purchasing channels. This is more effective than reading 100 reviews online. By the way, remember to look for manufacturers that have supplied goods to overseas chain stores. They can pass strict quality inspections in Japan and South Korea, and the quality is absolutely guaranteed.

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