User Manual: FLYBALL 230 User manual
Ruler: Play methed and rule
Video: FLYBALL 230 Video
You also can buy it on our official Aliexpress store:
FB230 PNP: https://www.aliexpress.com/item/1005002328117771.html
FB230 RTF : https://www.aliexpress.com/item/1005002317835607.html
================================================================================
Remark: Upgrade to support Altitude holding, self-stable flight mode.