Optimized Power Management: This series of brushless ESCs (Electronic Speed Controllers) are designed to improve the performance of your RC helicopters and airplanes. Versatile Compatibility: Whether you are upgrading your hobby aircraft or building one from scratch, these ESCs offer a reliable solution for power management across a wide range of models and sizes. Enhanced Durability: Our ESCs are built to withstand rigorous use and are made from high-quality materials to and resilience in demanding conditions. Easy Installation: quick and straightforward installation, you back in the air with minimal downtime. The default throttle range for this ESC is 1100µs to 2000 U S (Futaba standard); users need to calibrate the throttle range when starting to use a brushless ESC or other remote controller. Voltage support: 2-3S LiPo Continuous current: 20A Maximum current: 40A BEC output: 5V4A Programming support: Yes Programming mode: Remote control programming - Programming card programming The product appearance and printed words depending on the batch, but this does not affect use. Colour:Black Material:plastic Package Contents: 1 * Brushless ESC 1 * Programming Card 1 * English instruction manual 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.