Spec.
Amp rating: 40A
Burst Rate (10sec): 60A
BEC Output : 5.5V / 4A
Voltage: 7.4-22.2V (2-6 cell Lipo/5-18 NiCd)
Dimensions: 52x23x7mm
Weight: 30g

Main Functions: 
Safety mode: The motor won't start no matter what the position of the control stick is when switch on the RC unit.
Brake setting: On/Off (factory default is off)
Low current protection: Ignore/Reduce power/Shut off
Temperature protection: Reduce power when temperature reaches 120C
PWM frequency: 8Khz/16Khz
Three point battery type and low voltage selection.
Software reversion of motor turning selection.