Key FeaturesBattery Eliminator Circuit (BEC): eliminates receiver batterySafe "Power On"Low torque "Soft Start": protects gear boxes and belt drives from shockSimple setup: no complicated switches or wiringTough surface mount constructionSmooth reverse exponential throttleAudible Arming SignalSelf-calibrating endpoints: maximizes usable stick travelAuto Motor cut-off with resetAuto shut-down when signal is lostMicroprocessor ControlledOverviewCastle power and reliability at an import price. Designed for light foamies and small built up aerobats.