RctimerOPTOmini16ABrushlessESCSimonKElectronicSpeedController2-4S20-500HzforRCMulticopterDescription:Itemname:16ABrushlessESCFirmware:SimonKFirmwareConstantCurrent:16APowerInput:6-16.8V(2-4SLithiumPolymer)BEC:WithoutCompatibleSignalFrequency:20Hz-500HzOutputPWMFrequency:18KHzWeight:2g(NotIncludedWires)Size:23mmx12mmx4.5mmUsage:forRCmulticopterFeatures:500Hzthrottlesignal,compatiblewithallflightcontrols2gWeight,alsoalreadythickenthePCBcopperspeciallyandlowheatforsmallaircraft.Package Included:1x16ABrushlessESC evrika33 store