• 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

• Q1: Are you factory?
  Yes, we are factory in Shenzhen. longvsision electronic 3D hologram fan for 6 years.
   
• Q2: Is the hologram fan easy to use?
  Yes, just power is plugged in, the blades will run and 3D effect will come.
   
• Q3: How can i create a 3D video?
  We provide the app could edit the 3D text logo directly by your phone.
  For animation video, 3D Max, AE, MAYA are the professional software to create a 3D video.
   
• Q4: How can i upload the video to the hologram fan?
  You could upload the video and image by SD card. We provide the card reader to connect to pc.
   
• Q5: Can i combine 2 fans to get a larger image display?
  Yes, it can be synchronized by 2 fans, 3 fans, 4 fans… The display sizes and quanlity is up to you.
   
• Q6: How long can i received the goods?
  It can be received within 3-6 days at the earliest.