Welcome to our store! 1、Multiple Protection Functions: The 50A ESC has multiple protection functions such as abnormal input voltage protection, battery bottom voltage protection, overheating protection, and throttle signal loss protection. 2、Reliable Performance: The 50A brushless ESC can set the throttle stroke, with smooth, sensitive speed control feel and first-class speed control linearity. 3、Three Start Modes: The 50A ESC brushless speed controller has three start modes, normal start, soft start, and super soft start. 4、Strong Current Resistance: The 50A ESC brushless speed controller has strong resistance to current, giving you a great user experience. 5、Applicable Model: 50A brushless ESC is compatible with fixed-wing aircraft and helicopters, compatible with various remote controls. Item Type: 50A Brushless ESC Material: Silicone, Copper, Electronic Components Color: As Pictures Shown Weight: Approx. 50g / 1.8oz Output Capacity: Continuous Current 50A, Short Time Current 65A (10 Seconds) Power Input: 2-4 Lithium Batteries or 5-12 Nickel Metal Hydride BEC Output: 5A, 5V BEC Type: Switching Voltage Stabilization Applicable: Remote Control Drone 1 x ESC 1 x Manual 2 x Rubber Ring If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.