Introduction The Spektrum Firma Sensored Smart ESC System is specifically engineered to be used with 10th scale Crawlers and Scalers. Featuring advanced Smart connectivity, professional Drag Brake Performance and torque control, all while being fully waterproof. Features Smart all-in-one telemetry Fast, powerful 32-bit ARM M4 processor Multiple options for easy programming: Smart ESC Programming Box (V2 version required) SmartLink USB Updating and Programmer application Programming from Transmitter via Text Gen Telemetry Multi-point protection: Over-current protection Automatic LiPo low-voltage cutoff Thermal protection Failsafe protection Developed and designed by Spektrum engineers, in partnership with the industry's leading ESC manufacturer Compact for easy installation in most applications Ready to install no soldering required Waterproof ESC Waterproof sensor wire with locking plug and gasket Aluminum heat sink for high efficiency Includes Optional Cooling fan Adjustable high-power BEC (6V or 7.4V) Firmware updatable through the Smart ESC Programming Box (V2 version required) High heat-resistant IC connectors, backwards compatible with EC connectors Limited 1-year warranty Overview Like every component in the Spektrum Smart ecosystem, Firma Smart ESCs combine "plug-and-play" simplicity with the ability to communicate with other Smart electronics together, creating the best-performing RC system for your vehicle imaginable. Firma Smart ESCs do much more than regulate power