Check the listing for details. Furitek Python 40A (Brushless/Brushed) Micro Waterproof ESC FTK-FUR-2300. Condition: New. Listed at 89.99 USD. Furitek Python 40A (Brushless/Brushed) Micro Waterproof ESC. This Powerful ESC brings huge performance to small scale rock crawlers. Boasting a 40 amp continuous rating, adjustable 5A BEC, up to 3S LiPo support and built-in wireless programming capability! This ESC supports both brushed and brushless motors and uses FOC technology to give you a buttery smooth performance on the trail. Designed to be a plug-and-play option for Micro rock crawlers, this is an excellent upgrade if you are looking to bring your micro crawler to the next level of high performance!Features:Support Sensorless brushless DC and brushed DC motor (config via the app, default is brushless)FOC (Field-oriented control) technologyWater-proof composite caseBuilt-in wirelessBuilt-in HV switchable BECBuilt-in Switch powerSuper easy programming via App on both Android and IOSLifetime free firmware updatesCompact and lightweightReal-time telemetry up to 10HzSpecifications:Input Voltage: 2S-3S lipoBEC: 5.5V-7.4V SwitchableConstant current: 40ABurst current: 70ADimensions (LxWxH): 1.57x0.78x0.6" (40x20x15mm)Weight: 0.2ozIncludes:(1) Python 40A (Brushless/Brushed) Micro ESC