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  • What is Wicue dust-free blackboard?
    Wicue dust-free blackboard uses cholesteric liquid crystal, which is a bistable liquid crystal, the arrangement of molecules in the lower layer of liquid crystal changes when the board is under external pressure, and the pressed part reflects natural light, thus showing the highlighted handwriting. No electricity is required for writing, and power is only needed for erasing. It is based on the pressure-sensitive writing principle, so you can also write with objects that have a certain hardness, such as fingers.
  • Can the Wicue dust-free blackboard have multiple pen colors? Why can't it be black and white?
    E-writing boards can be made in color, while dust-free blackboards are usually a single color, light green, or light yellow. This is because green reflects the brightest wavelength and is the same color as nature, making it the most eye-friendly.
  • Will it affect usage in dry and static-prone areas in the north?
    Anti-static level 4.
  • What are the upper temperature and lower temperature limits for the Wicue dust-free blackboard?
    Operating environment: 0 ~ + 40°C
    Storage temperature: -10 ~ + 60°C
    Operating humidity: 20% to 80% RH
    Storage humidity: <95% RH
  • How often does it need to be charged?
    Depending on usage frequency, a small button battery can be used for one year without replacement, and a large blackboard can be used for 2-3 months on a single charge.
  • Does the dust-free blackboard need a specific pen to write?
    No, any object with moderate hardness can be used for writing. Even fingernails can be used for writing.
  • What are the precautions for normal use?
    A. Product bending may cause delamination of liquid crystal film and affect normal use.
    B. There are precision wiring inside the lower cover of the product, do not open it without authorization.
    C. Exposure to sunlight and water may cause product damage.
    D. After purchasing, please read the user manual and use the product according to the manual. Please read the manual carefully before use. Improper use of the product will reduce the service life of the product, such as damage to the product caused by improper use, which is not covered by the warranty.
  • What are the daily maintenance and upkeep procedures for the Wicue dust-free blackboard?
    A. Please use objects with moderate hardness to write, such as matching writing pens. Do not use sharp objects such as knives, scissors, or chalk to scratch the light board surface to avoid scratching the board surface.
    B. If the board surface is dirty, the best way is to use alcohol and a dust-free cloth to wipe its surface (because it can remove grease marks). You can also simply use a clean towel to clean the dust. Clean it every 5-7 days. Do not use a damp towel to wipe the board surface to prevent liquid from flowing into the circuit around the light board and causing damage.
    C. Large-sized products are for indoor use only. Do not place them outdoors for a long time, as prolonged exposure to sunlight will affect their service life.
    D. If the large-sized product is not used for a long time, please turn off the power.
    E. Do not disassemble this product without authorization. If the product fails, please contact our after-sales department for repair.
    Reminder: Do not wash the Interconnect Blackboard with water to avoid short-circuiting and burning the circuit around the Interconnect Blackboard.
  • Why does the received product have a blurry screen?
    This is caused by the movement of liquid crystal molecules during transportation, which is normal. Turn off the anti-erase lock and clear it, without affecting the use of the product.
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