Flashing LED fan 1. Display customer's text messages 2. Print customer' ... , 22 letters each 4. CE,ROHS,R Flashing LED fan Flash customer's message,Print customer's logo CE,ROHS,REACH,FCC ... , telephone, words and slogans, etc. Materials: blade-PVC; case-ABS. Led colors: red, yellow, blue, green, white.Hand colors: red, black ...