It is a 100A brushless ESC. The design is easy to maintain and has low interference<br> The PCB adopts high-end composite material, which has stronger overcurrent capability and good heat dissipation.MOS adopts imported high current resistance mos, low energy consumption, long life and strong load capacity<br> Using industrial grade LDO, high temperature resistance. High-quality capacitors, strong filtering performance<br> Intelligent control: The controller has a built-in low-noise button, which can be controlled remotely by one button<br> Maximum power: The OSD allows you to control your drone with maximum speed and accuracy, while providing a smoother flight<br> Item Type: BLS 100A 30.5x30.5 4-in-1 ESC<br> MCU: EFM8BB21F16G<br> MOSFET: High performance MOSFET<br> Power Input: 3-6S LiPo<br> Continuous Current: 100 * 4<br> Burst Current: 120A(10seconds)<br> ESC Telemetry: NO<br> Current Sensor Scale:200<br> ESC Protocol: DSHOT300/600<br> Firmware: Q_H_40_24_v0.19.2<br> Mounting: 30.5 x 30.5mm( 4mm hole diameter)<br> Colour:black<br> Material:PCB<br> Package Contents:<br> 1 * ESC<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.