The Mall Uses LED 3d Holographic Display Fan

• 11. Products can be returned or replaced at any time if there is a problem

After-sales service:

• 1. Service principle: Timely response, solve problems as soon as possible, and ensure use.
• 2. Service period: During the maintenance period of the LED display body, all maintenance fees are waived; After the warranty period, only materials are charged, and manual labor is not required.
• 3. Service scope: If users find any problems that cannot be solved, please contact our company, we can reply within 24 hours. In order to shorten the maintenance time, the company will deploy power supplies, chips and other spare parts.
• 4.Under normal use and storage, the Company will be responsible for the use and storage of the equipment.

2. Pre-sale service:

• 1.The company can arrange professional personnel to carry out on-site installation and commissioning in strict accordance with the requirements of the scheme and the original manual. If there are special requirements, it is necessary to modify the parts installation plan and coordinate with the user. Our company can guarantee the consistency between the completion time and the contract time. Any problems caused by natural factors or human factors, we will discuss with the customer to find a solution.
• 2.Our company can train users according to the manual. The training covers system use, system maintenance and equipment protection.

FAQ

• 1.Is there a time limit for video?
• No time limit, but try to control videos' length in 15 seconds, it will be better.
• 2.What kind of files or how can I create 3d images for the fan?
• Support MP4, AVI, RMVB, MKV, GIF, JPG, PNG format with a black background . You can use some software like 3D maker ,Maya to make your own 3D images and then turn to bin format.
• 3,What rpm does the fan rotate?
• The rpm is 1100 and the frame is 15fr.
• 4.can we combine 2 fans to make a bigger display screen?
• Yes, you can splicing 2 fans , 3 fans , 4 fans even more fans together to make a bigger screen as you like. chat with us for details.
• 5.How do I make a 3d movie or video?
• Download some software like AE,MAYA,3D MAX on your computer. Make your video by a black or transparent background
• 6.The device play sound ?
• Yes, some fans have the function of Bluetooth audio ,consult with us now.
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