HobbyKing 40A ESC w/UBEC 4A

Specs: Constant Current: 40A Burst Current: 60A Battery: 2-6S Lipoly / 5-18s NiXX BEC: 5.5v / 4A Motor Type: Sensorless Brushless Size: 45 x 30 x 17mm Weight: 36g 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)