Feature:1. Regardless of the position of the throttle lever, the electric motor will not rotate when the battery is connected.2. Strong compatibility, ESC can be compatible with lithium battery and NiMH battery.3. It has the functions of low pressure cutoff protection, overheat protection, and throttle signal loss protection.4. Light weight, smooth operation, low noise, suitable for RC drones, helicopters, FPV, etc.5. Made of high-quality metal materials, wear-resistant and durable, it is a practical RC accessory.Specification:Item Type: RC Motor ESC SetMaterial: Metal + Electronic ComponentsMotor Parameters:KV: 1400Ri (M): 0.033Motor Size: Approx. 27.5 x 38mm/1.08 x 1.5inShaft Diameter: Approx. 3.17mm/0.12inESC Parameters:Continuous Current: 40APeaking Current: 55ABEC output: 5V at 3ABattery Input: 2-4SPlug: XT60Quantity: 1 SetApplication: For RC Drone, Helicopter, FPV, Etc..Package List:1 x Motor1 x Cylindrical Head1 x Motor Base4 x Screw1 x ESC