hobbyKing 50A (2~4S) esc 4A ubec (1 Pcs)

Specs:
Constant Current: 50A
Burst Current: 80A
Battery: 2-4S Lipoly / 5-12s NiXX
BEC: 5.5v / 4A
Motor Type: Sensorless Brushless
Size: 70 x 32 x 17mm
Weight: 71g

Programming Functions:
Battery Type: Lipo /NiXX
Brake: On / Off
Voltage Protection: Low / Mid / High
Protection mode: Reduce power / Cut off power
Timing: Low / Medium / High
Startup: Fast / Normal / Soft
PWM Frequency: 8k / 16k
Helicopter mode: Off / 5sec / 15sec (Start up delay)