The FETtec 45A 3-6S ESC is a powerful 4-in-1 electronic speed controller that has a mounting pattern of 30.5x30.5 and supports Dshot 300-2400, OneShot 42/125, PWM, Crossfire, SBUS, and other features Specifications Active current limiting @ 45A Input voltage: 3S-6S High-quality 40V MOSFETs STM32G071 @ 64MHz 128 kHz Motor PWM Full sine wave control Soldering holes for up to 5 additional capacitors KISS FC Passthrough Betaflight Passthrough (available in 4.1) Automatic input signal detection: Dshot 300-2400 PWM OneShot 42/125 OneWire BUS with up to 8kHz loop time (one cable for all Motorsignals and Telemetry) In development: Crossfire, SBUS 38 mm x 38 mm Mounting hole: 30.5 mm x 30.5 mm, M3 expandable to M4 PINMAP Diagram Includes 1 x FETtec ESC 4in1 45A 1 x Capacitor 50V, ESC < 1ohm (477CKE050M) 1 x JST-SH 8 Pin Cable