Firmware: BLHELI-S: J-H-30-16.7 Continuous current 55A Maximum current 65A Electric dispatch protocol support: DSHOT300/600 Input voltage: 3-6s Galvanometer: Yes diode protection: Yes External capacitor: 1000UF high-frequency electrolytic capacitor Installation hole position 30.5x30.5mm (4mm hole) (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:PCB Package Contents: 1 * FPV ESC Kit(The color of the attachment is random, and the designation is not accepted) 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.