Description 1. High-quality components are used for the ESC, especially the current endurance. 2. Based on BLHeli and optimized, the throttle response is linear. 3. Optimized for multi-axis and supports fixed-wing aircraft and helicopters. 4. Direction is added to the programming item, which supports two-way mode. 5. Multiple parameters of the speed controller can be set via (programming card) or remote control, and the default parameters can be restored via the remote control or programming card. 6. Features low-voltage protection, over-temperature protection, and multiple signal loss protection functions. 7. With a warning function, if the throttle is at the lowest position for a certain period, the ESC will beep to help locate lost flight equipment. 8. The throttle range can be set to be compatible with various receivers, providing a sensitive and delicate speed control feel. Color: As shown Material: Plastic + Metal Type: 20A Package Contents: 1 x Brushless 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 to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.