XERUN XR14: Take your 1/14 scale racing to the next level! Learn more about XERUN XR14 system> What's in the box: (1) XERUN XR14 ESC (1) Manual (1) Double Sided Tape, Decal Overview Spec Download Two selectable profiles tailored for RC car racing. Adjustable PWM and brake frequencies allow precise regulation of motor driving and braking forces. Innovative softening function by HOBBYWING enables power delivery tuning for enhanced driving efficiency. Comprehensive protections include low-voltage cutoff, ESC and motor thermal protection, fail-safe (throttle signal loss), and reverse polarity protection. Data recording function supports OTA Bluetooth module to view power system running data via the HW LINK App, simplifying performance analysis. Firmware upgrades available through Hobbywing LCD Program Box Pro/G2 or OTA Programmer (sold separately). Programmable items: User manual: XERUN XR14 ESC.pdf > Product brochure: XeRun XR14_Leafiet EN.pdf