Product Details Recommended ESCs for Heli Setups FEATURES: Recommended for enclosed installations in helicopter and sport airplane applications where cooling is an issue Heatsink equipped for efficient heat dissipation Onboard Data Logging includes options such as Battery Voltage, Battery Ripple, Battery Current, Controller Temperature, Throttle Input, Motor Power Output and Motor RPM Castle Link USB compatible, linking offers many advanced programming options such as heli governing modes, control line governor settings, motor timing, audible alert tones and incredible data logging capabilities Switching BEC Handles up to 22 cells NiCd/NiMH, 8S (33.6V) LiPo One ye...