hologram LED fan is made by China Faryuan, the item number of holographic LED display(also called called hologram 3d advertising display) is FY3D-Z1.
Item number :FY-Z1
LED :RGB0805 LED
Lifetime :100000 hour
voltage :AC100-240V ,50/60HZ
visual angle :150 °
housing material :ABS+PC+hardware
this device works by 224 LED lamp beads with a combination of rotating blades,With the LED lamp beads flashing and the frequency of rotation of the blade,Use the visual persistence of the human eye,You can create a similar projection of the imaging effect.
What is called persistence of vision ,it is also called afterglow effect,when the object is moving fast ,When the human eye sees the image disappears.The human eye can continue to keep its image around 0.1-0.4s image.