4 PCS Racerstar RS30A Lite 30A Blheli S 16 5 BB1 2 4S Brushless ESC Dshot150 Dshot300Specification Brand Name RacerstarModel RS30A LiteItem Name 30A Blheli S BB1 2 4S Brushless ESCInput Voltage 2 4SCon Current 30APeak Current 10s 35ABEC NOProgramming YESWeight 6gSize 26 17mmFeatures Diffirent mos from the Racerstar RS Series esc BLHeli S is designed for superior performance in multirotors and uses hardware generated motor pwm for smooth throttle response and silent operation Chips on BB1 24MHZ Support Oneshot42 Oneshot125 Multishot Dshot150 and Dshot300 Small size combined with light weight All codes use damped light mode Damped light does regenerative braking causing very fast motor retardation and inherently also does active freewheelingPackage Included 4x 30A ESC