Electronic Speed Controller - 50A Forward / 20A Reverse.
Specifications:
Maximum Current: 50 Amps (Forward) or 20A (Backward).
Working Voltage: 5 - 10 Cells, 6 - 12V, Nicd or Nimh.
Weight: 82g.
BEC: 5V/1A.
Low Battery Cutoff: 5V.
JR / Futaba Compatible Plug.
Dimension: 42mm (L) x 48mm (W) x 13mm (H).