Check the listing for details. Furitek Python Pro 40A (Brushless/Brushed) Micro Waterproof ESC FUR-2301 New!!. Condition: New. Listed at 119.99 USD. Furitek Python Pro 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 4S 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 CNC-machined aluminum 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-4S lipoBEC: 5.5V-8.4V SwitchableConstant current: 40ABurst current: 70ADimensions (LxWxH): 1.57x0.78x0.6" (40x20x15mm)Weight: 0.2ozCurrent Protection: YesIncludes:(1) Python Pro 40A (Brushless/Brushed) Micro ESC