Description Item Brand Surpass HobbyItem Name Brushless motor esc comboMaterial Metal and plasticColor As the picture shownCompatible Models 1 12 1 14 rc crawler truck car vehicles modelsMotor Specifications KV RPM Volt 3300KV 4370KVMax Voltage 17V 12VMax Amps 47A 66AWatts 820WMax RPM 50000Diameter 36mmLength 50mmShaft Length 15mmShaft Diameter 3 175mm LED Program Card Specifications Brand RacerstarOnly ApplyTo Racerstar motorESC combo ESC Specifications Item Ame Waterproof ESCContinue Current 60ABurst Current 320ABattery 2 3 cells Li Po 4 9 cells NiMHBEC Output 5 8V 3ADimension 50 36 36mm Features 4 pole 12 slot high torque motor designCNC machining 6061 T6 billet aluminum canHigh purity windings for maximum efficiencyHigh RPM ABEC5 oversized bearingsUniversal version for all 1 10 brushless cars multi mounting system for M3 screwsPrecisely balanced rotor smoothness for beat reliability and maximum RPM Stator Super Thin 0 35mm LaminationsRemovable Replaceable RotorPrecision engineered for maximum energy conversion Notice Please kindly refer to the sutiable battery for the Motor ESC don t use too large power battery when you use it at the first time Package Included 1 X F540 Brushless Motor1 X 60A Brushless ESC1X LED Programming Card