Premium Materials: Crafted from high-quality silicone and copper for excellent heat dissipation and long-lasting performance. High Stability: Multi-layer PCB design ensures stable power delivery to the MCU, enhancing motor stability and durability. Protective Features: Overheat and low-voltage protection prevent damage to the ESC, ensuring safe operation. Precise Control: Accurate speed control with automatic forward and reverse, eliminating the need to change motor and ESC connection sequences. Versatile Application: Ideal for KT board fixed-wing aircraft and multi-rotor applications. Item Type: 40A Brushless ESC Material: Silicone, Copper Size: Approx. 26 x 46 x 10mm / 1.02 x 1.81 x 0.39in Output Capacity: Continuous current 30A, short-time current 40A (no less than 10 seconds) Power Input: 6V-12V (2-3 cell lithium battery pack or 5-10 cell NiMH/NiCD battery pack) BEC Output: 2A 5V Applicable: KT board fixed-wing aircraft Includes: 1 x Brushless ESC