High Power ESC: a robust 90A ESC, capable of handling 3-8S Lipo input, perfect for delivering the power needed for long-range flights. Compact Design: a minimal footprint is designed to fit seamlessly into your drone setup without adding unnecessary bulk. Optimized for Dshot: Supports Dshot digital signal for smoother and more reliable motor control, enhancing your drone's performance in dynamic flight conditions. Input voltage:3-8S (11-35V) Continuous current:90A 4 ways Input signal:DSHOT(need to turn on bidirectional DSHOT) (If you need to use PWM signal, you need to write BLHELI-S firmware by yourself) BEC:No Ammeter:Yes Installation:Hole distance 30.5MM x 4MM Overall Dimension:56MM x 53MM Firmware: J-H-30.HEX Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:As Shown Material:PCB Package Contents: 1 * ESC Only the above package content, other products are not included. 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.