This is the Hobbywing XR10 Pro-1S HD. World Champion choice, ROAR approved.Features:40% smaller in volume* (*6mm shorter, 6mm smaller in width)24% lighter in weight (12g lighter than the previous generation)Premium MOSFETs (Toshiba MOSFETs)Internal BEC features booster circuitry to output current/voltage up to 6A/6V and power various servos without connecting any extra receiver battery.Built-in electronic switch (with a lifespan of over 50000 on/off cycles, dust-proof and shock-resistant design)Built-in capacitor module saves space and weight, making the wiring simple and neat.PWM Frequency tuning - guarantees precise and accurate throttle and brake control for all classes of competition (especially Stock class).Maximum cooling performance - Separate Programming/Fan PortThe separate PRG/FAN port on the ESC can power an external fan to maximize cooling performance or connect the ESC to an LCD program box or WiFi module for ESC programming.Programming through WiFi:Works with LCD program box (PC only) or WiFi Express Module (Apple & PC) - sold separatelyInnovative Data-logging function - This ESC features a data-logging function which can record the maximum ESC/motor temperature, RPM, etc. in real time and allows users to check data via an LCD program box or WiFi module after each us
