Check the listing for details. Castle Creations Sidewinder Nano Micro Brushless/Brushed ESC 12.6V) CSE010017600. Condition: New. Listed at 49.95 USD. Sidewinder Nano Overview:Castle Creations Sidewinder Nano Micro Brushless/Brushed ESC (12.6V). A performance upgrade solution to the ever-growing micro-scale scene in R/C! Capable of running on 2-3S (7.4 - 11.1 Volts) LiPo batteries, this Sidewinder Nano is intended for 1/24 and 1/18 scale RTR (Ready-To-Run) and kit platforms to provide precise throttle control, supreme power-punch, tuneable parameters and unmatched durability and reliability!The Sidewinder Nano comes equipped with Castle Creations proprietary CRYO-DRIVE Technology resulting in improved thermal performance during partial throttle operation where the majority of driving occurs, resulting in extremely efficient output and reducing stress on the ESC. In addition, the Sidewinder Nano can also be “tuned” for the drivers’ preferences using a Windows based PC and a Castle Link USB adapter (CSE011-0119-00 - sold separately), or with a mobile device using a Castle B-Link Adapter (CSE011-0135-00 - sold separately), allowing tuning and switching parameters to conveniently be done on the fly!Ideal for:1/24 2WD or 4WD vehicles up to 1lbs1/24 and 1/18 crawlers up 2.25lbs (No rock racing/Hill climbing)Features:Perfect fit and upgrade for most 1/24 and 1/18 micro platformsSelectable brushless or brushedCRYO-DRIVE technologyCastle B-Link adapter compatibleTune-able parametersExtremely lightweight and compactSpecifications:Application: 1/24 and 1/18 scale 2WD or 4WDType: Sensorless Brushless/BrushedInput Voltage: 2-3S (7.4-11.1V) LiPoContinuous Current: -Burst Current: -BEC Voltage: 5A PeakInput Lead: -Motor Leads: -Programmable: YesIncludes:(1) Castle Creations Sidewinder Nano Micro ESC