Hobbywing Pentium 40A Electronic Speed Controller W/ 3A Switch type BEC
2  Features **2.1 Safety Arming Feature:  Regardless the throttle stick position, the motor will not spin after battery connected **2.2 Throttle Calibration: Throttle range can be configured to provide best throttle linearity, fully compatible with all market available transmitters **2.3 Programmable Items:       Brake Setting: brake enabled / brake disabled **       Battery Type: Li-xx(Li-ion or LiPo) / Ni-xx(NiMh or NiCd) **       Low Voltage Protection Mode(Cutoff Mode): Gradually reduce the output power / Cutoff the output power **       Low Voltage Cutoff Protection Threshold (Cutoff Threshold): low / medium / high **       Start Mode: normal / soft / very soft **       Timing: low / medium / high **       Reset:  reset  all  the programmable items to their default settings **2.4 Full Protection Features: Low voltage cutoff protection / Over-heat protection / Throttle signal lost protection **3   Advantages 3.1 Military standard capacitor of extreme low resistance increases the ability of prevention of unwanted RF noise during flying **3.2 Extreme low resistance PCB is used at the power output section, the whole ESC has super current endurance capability **3.3 Microprocessor uses separate voltage regulator IC, with good anti-jamming capability **3.4 Compatible with Hobbywing's Program Card.