DIY LED programmable message fan can be programmed by users to display a custom message. The glowing message appears to be hovering in dark, it is a unique visual effect that will instantly attract the attention of your customers.

9 LEDs in red, amber, blue, green, or mixing.
Shows 4 messages at most, every message can contain 16 characters.  Soft flexible blades.
Powered by 3 AA batteries, excluded.