FM20A Brushless Motor Controller Continuous current: 20A Voltage: NiMh/NiCd 6-12 cells, LiPo 2-3 cells BEC current: 2A (max) Weight: 20g.
instructions and info sheet: https://yardbirdrc.sslpowered.com/catalog/PDF_LOCKER/ESC.pdf_dot_dash_sequence.pdf