Optimized performance: With advanced BLHeli-S firmware, it can achieve high-speed response and smooth and reliable motor control, suitable for competitive competition and leisure flight Using EMF8BB21 chip, 48MHz operating frequency has powerful performance Multiple modes: Using BLHeli-S open source firmware, you can upgrade the firmware or change the ESC parameters through the throttle signal line, and support all BLHeli-S functions. The ESC can support ordinary PWM throttle mode, for OneShot125, for OneShot42 and for MultiShot throttle mode. The ESC can support the latest for DShot150/300/600 throttle mode Versatile voltage range: Supports wide voltage input from 2S to 6S LiPo batteries, providing flexibility in battery selection and ensuring the best power supply for different flight scenarios and reliable: Made of high-quality components to durability and consistent performance, making it a trusted choice for drone enthusiasts and professionals Continuous current: 30A Instantaneous current (10 seconds): 40A BEC: NO Number of cells: 2-6S The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:plastic Package Contents: 1 x 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.